Silence Therapeutics plc (SLN)
Silence Therapeutics plc is a London, UK-based biotechnology company specializing in the research and development of groundbreaking ribonucleic acid (RNA) therapeutics. Its therapeutic focus areas include hematological, cardiovascular, and various rare and metabolic conditions. Central to their innovative approach is the mRNAi GalNAc Oligonucleotide Discovery platform, which is designed for precise targeting of specific disease-causing genes within the liver. The company's methodology harnesses the body's natural RNA interference (RNAi) mechanism by designing short interfering RNA (siRNA) molecules that degrade messenger RNA (mRNA), thereby preventing the production of targeted disease-associated proteins. Their pipeline features several promising candidates, including SLN360, currently in Phase I clinical trials for cardiovascular disease associated with elevated lipoprotein. Another key candidate, SLN124, is undergoing Phase I clinical trials for non-transfusion-dependent thalassemia and myelodysplastic syndrome, with further development planned for polycythemia vera. Silence Therapeutics also engages in strategic collaborations to expand its reach. It has agreements with AstraZeneca PLC to discover, develop, and commercialize siRNA therapeutics for cardiovascular, renal, metabolic, and respiratory diseases. Furthermore, a partnership with Mallinckrodt Pharma IP Trading DAC aims to develop and commercialize RNAi drug targets designed to silence the complement cascade in complement-mediated disorders. The company is also collaborating with Hansoh Pharmaceutical Group Company Limited to develop siRNAs for three unspecified targets, utilizing Silence's mRNAi GOLD platform. Originally incorporated as SR Pharma plc, the company rebranded to Silence Therapeutics plc in May 2007.
Sector: Pharmaceutical Preparations
Industry: Biotechnology
Silence Therapeutics plc
No splits on record
Nothing in SLN's public trading history: no forward or reverse split has affected the share count.
| Period | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 | FY 2015 | FY 2014 | FY 2013 | FY 2012 | FY 2011 | FY 2010 | FY 2009 | FY 2008 | FY 2007 | FY 2006 | FY 2005 | FY 2004 | FY 2003 | FY 2002 | FY 2001 | FY 2000 | FY 1999 | FY 1998 | FY 1997 | FY 1996 | FY 1995 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Currency | USD | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP |
| Period Ending | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 | 2006-12-31 | 2005-12-31 | 2004-12-31 | 2003-12-31 | 2002-12-31 | 2001-12-31 | 2000-12-31 | 1999-12-31 | 1998-12-31 | 1997-12-31 | 1996-12-31 | 1995-12-31 |
| Revenue | $559K | $43.26M | $25.38M | $17.65M | $12.41M | $5.48M | $244K | $0 | $16K | $770K | $0 | $15K | $117K | $163K | $720K | $2.37M | $1.72M | $2.21M | $4.05M | $1.95M | $509K | $159K | $1.34M | $1.15M | $138K | $959K | $1.37M | $210K | $0 | $0 | $0 |
| YoY Growth | -98.7% | 70.5% | 43.7% | 42.2% | 126.6% | 2145.5% | - | - | -97.9% | - | - | -87.2% | -28.2% | -77.4% | -69.6% | 37.3% | -22.0% | -45.4% | 107.9% | 282.5% | 220.1% | -88.2% | 16.8% | 734.1% | -85.6% | -30.0% | 552.4% | - | - | - | - |
| Cost of Revenue | $215K | $11.81M | $10.32M | $10.97M | $7.46M | $3.76M | $0 | $9.74M | $7.94M | $8.71M | $7.11M | $8.88M | $5.65M | $3.38M | $3.36M | $5.82M | $5.07M | $6.71M | $4.84M | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Gross Profit | $344K | $31.45M | $15.06M | $6.68M | $4.96M | $1.72M | $244K | -$9.74M | -$7.93M | -$7.94M | -$7.11M | -$8.87M | -$5.53M | -$3.21M | -$2.67M | -$3.46M | -$3.35M | -$4.5M | -$796K | $1.95M | $509K | -$1.47M | $1.34M | $1.15M | $138K | $959K | $1.37M | $210K | $0 | $0 | $0 |
| Gross Margin | 61.5% | 72.7% | 59.3% | 37.8% | 39.9% | 31.3% | 100.0% | - | -49543.8% | -1031.3% | - | -59126.7% | -4727.4% | -1972.4% | -370.3% | -146.0% | -194.4% | -203.8% | -19.7% | 100.0% | 100.0% | -923.7% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | - | - | - |
| Research and Development | $67.75M | $67.88M | $44.02M | $35.5M | $30.77M | $20.21M | $13.34M | $9.74M | $7.94M | $8.71M | $7.11M | $8.88M | $5.65M | $3.38M | $3.36M | $5.82M | $5.07M | $6.71M | $4.84M | $3.19M | $1.66M | $1.7M | $3.01M | $2.46M | $2.49M | $3M | $3.05M | $1.68M | $1.83M | $986K | $790K |
| Selling, General, and Administrative | $22.34M | $26.88M | $20.64M | $20.94M | $20.01M | $13.98M | $9.64M | $10.83M | $6.46M | $3.96M | $2.65M | $3.26M | $3.54M | $2.61M | $2.65M | $5.19M | $4.1M | $3.29M | $4.99M | $3.03M | $2.75M | $1.83M | $1M | $700K | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other | $0 | $0 | $0 | $0 | $0 | $3.37M | $0 | -$9.74M | -$7.94M | -$8.71M | -$7.11M | -$8.88M | -$5.65M | $17.11M | -$2.89M | -$5.88M | $100K | -$6.71M | -$5M | -$2K | -$8K | -$1.78M | $0 | $0 | $673K | $693K | $503K | $429K | $329K | $258K | $143K |
| Total Operating Expenses | $90.1M | $94.77M | $64.66M | $56.44M | $50.77M | $37.56M | $22.98M | $10.83M | $6.46M | $3.96M | $2.65M | $3.26M | $3.54M | $23.1M | $3.12M | $5.13M | $9.28M | $3.29M | $4.84M | $6.21M | $4.4M | $1.75M | $4.02M | $3.16M | $3.17M | $3.69M | $3.55M | $2.11M | $2.16M | $1.24M | $933K |
| Operating Income (EBIT) | -$89.75M | -$63.32M | -$49.6M | -$49.76M | -$45.81M | -$35.85M | -$22.73M | -$20.57M | -$14.39M | -$11.91M | -$9.77M | -$12.13M | -$9.07M | -$5.83M | -$5.79M | -$8.66M | -$7.55M | -$7.79M | -$5.79M | -$4.27M | -$3.9M | -$3.37M | -$2.67M | -$2M | -$3.03M | -$2.73M | -$2.18M | -$1.9M | -$2.16M | -$1.24M | -$933K |
| Operating Margin | -16056.0% | -146.4% | -195.5% | -281.9% | -369.0% | -654.3% | -9317.2% | - | -89943.8% | -1546.2% | - | -80846.7% | -7753.8% | -3575.5% | -803.5% | -365.9% | -438.4% | -352.7% | -143.0% | -219.2% | -765.8% | -2118.2% | -198.9% | -174.2% | -2193.5% | -285.2% | -159.1% | -906.2% | - | - | - |
| Interest Expense | $0 | $0 | $34K | $47K | $8K | $16K | $33K | $0 | $15K | $0 | $0 | $0 | $0 | $0 | $0 | $63K | $0 | $0 | $0 | $1K | $1K | $71K | $0 | $0 | $0 | $0 | $0 | $0 | -$398K | -$279K | -$59K |
| Interest Income | $3.48M | $4.47M | $1.45M | $226K | $10K | $129K | $27K | $39K | $0 | $1.54M | $175K | $147K | $70K | $18K | $28K | $37K | $46K | $268K | $544K | $348K | $200K | $133K | $216K | $317K | $522K | $505K | $163K | $324K | $398K | $279K | $59K |
| Other Income (Expense) | $1.15M | $18.86M | -$706K | $9.29M | -$42K | -$194K | -$136K | $45K | $10.62M | $1.54M | $340K | $147K | $70K | -$20.46M | $49K | -$137K | $46K | $357K | $544K | $328K | $263K | $62K | $216K | $302K | $479K | $505K | $163K | $324K | $398K | $279K | $59K |
| Income Before Tax (EBT) | -$88.6M | -$44.46M | -$50.31M | -$40.47M | -$45.86M | -$36.04M | -$22.87M | -$20.53M | -$3.77M | -$10.36M | -$9.43M | -$11.98M | -$9M | -$26.28M | -$5.74M | -$8.79M | -$7.51M | -$7.43M | -$5.24M | -$3.94M | -$3.63M | -$3.31M | -$2.46M | -$1.7M | -$2.55M | -$2.23M | -$2.02M | -$1.58M | -$1.76M | -$965K | -$874K |
| Income Tax Expense | $11K | $845K | -$7.04M | $561K | -$6.45M | -$3.49M | -$3.29M | -$2.12M | -$2.16M | -$1.92M | -$2.78M | -$892K | $0 | $0 | $0 | $0 | -$37K | $0 | -$136K | -$114K | -$50K | -$350K | -$177K | -$220K | -$354K | -$286K | $124K | $0 | $0 | $0 | $0 |
| Net Income | -$88.61M | -$45.31M | -$43.27M | -$41.03M | -$39.41M | -$32.55M | -$19.58M | -$18.41M | -$1.62M | -$8.44M | -$6.64M | -$11.09M | -$9M | -$26.28M | -$5.74M | -$8.79M | -$7.47M | -$7.43M | -$5.11M | -$3.83M | -$3.58M | -$2.96M | -$2.28M | -$1.48M | -$2.19M | -$1.94M | -$2.14M | -$1.58M | -$1.76M | -$965K | -$874K |
| Net Income Margin | -15851.9% | -104.7% | -170.5% | -232.4% | -317.4% | -594.0% | -8025.4% | - | -10112.5% | -1096.1% | - | -73920.0% | -7694.0% | -16125.2% | -796.7% | -371.7% | -433.6% | -336.6% | -126.2% | -196.5% | -704.3% | -1859.1% | -169.6% | -128.8% | -1589.9% | -202.7% | -156.2% | -751.9% | - | - | - |
| Supplementary Data | |||||||||||||||||||||||||||||||
| EPS | -5.67 | -2.37 | -3.48 | -3.78 | -1.35 | -1.11 | -0.78 | -0.78 | -0.07 | -0.36 | -0.30 | -0.66 | -0.60 | -3.99 | -1.74 | -4.20 | -7.23 | -8.73 | -5.91 | -5.19 | -8.28 | -15.75 | -14.34 | -9.33 | -13.80 | -12.78 | -15.60 | -12.00 | -13.68 | -7.59 | -7.95 |
| Diluted EPS | -5.67 | -2.37 | -3.48 | -3.78 | -1.35 | -1.11 | -0.78 | -0.78 | -0.07 | -0.36 | -0.30 | -0.66 | -0.60 | -3.99 | -1.74 | -4.20 | -7.23 | -8.73 | -5.91 | -5.19 | -8.28 | -15.75 | -14.34 | -9.33 | -13.80 | -12.78 | -15.60 | -12.00 | -13.68 | -7.59 | -7.95 |
| Weighted Average OS | 15.74M | 15.42M | 12.36M | 10.73M | 29.65M | 27.26M | 25.04M | 23.44M | 23.31M | 23.27M | 21.34M | 16.81M | 14.64M | 6.56M | 3.32M | 2.09M | 1.01M | 898,962 | 872,050 | 713,397 | 456,475 | 179,010 | 159,071 | 159,071 | 159,073 | 152,227 | 137,253 | 131,567 | 128,693 | 127,200 | 109,933 |
| EBITDA | -$88.05M | -$49.12M | -$49.78M | -$39.93M | -$45.42M | -$35.53M | -$22.36M | -$20.17M | -$3.33M | -$11.6M | -$9.59M | -$11.79M | -$8.78M | -$5.31M | -$5.42M | -$8.41M | -$7M | -$7.44M | -$5.32M | -$3.59M | -$3.42M | -$3.2M | -$2.63M | -$1.95M | -$2.98M | -$2.71M | -$2.17M | -$1.87M | -$2.13M | -$1.21M | -$932K |
| EBITDA Margin | -15750.6% | -113.5% | -196.2% | -226.2% | -365.9% | -648.5% | -9161.9% | - | -20793.8% | -1506.0% | - | -78633.3% | -7500.0% | -3255.8% | -752.5% | -355.4% | -406.4% | -336.8% | -131.4% | -184.2% | -671.5% | -2011.3% | -195.6% | -169.3% | -2163.0% | -282.2% | -158.6% | -889.0% | - | - | - |
| Period | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 | FY 2015 | FY 2014 | FY 2013 | FY 2012 | FY 2011 | FY 2010 | FY 2009 | FY 2008 | FY 2007 | FY 2006 | FY 2005 | FY 2004 | FY 2003 | FY 2002 | FY 2001 | FY 2000 | FY 1999 | FY 1998 | FY 1997 | FY 1996 | FY 1995 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Currency | USD | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP |
| Period Ending | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 | 2006-12-31 | 2005-12-31 | 2004-12-31 | 2003-12-31 | 2002-12-31 | 2001-12-31 | 2000-12-31 | 1999-12-31 | 1998-12-31 | 1997-12-31 | 1996-12-31 | 1995-12-31 |
| Assets | |||||||||||||||||||||||||||||||
| Current Assets | |||||||||||||||||||||||||||||||
| Cash and Cash Equivalents | $11.28M | $96.91M | $54.44M | $54.82M | $73.54M | $27.45M | $13.52M | $21.49M | $42.74M | $39.01M | $51.91M | $16.86M | $15.89M | $8.91M | $3.69M | $3.57M | $1.13M | $3.35M | $10.17M | $8.82M | $9.09M | $2.63M | $5.09M | $7.16M | $9.08M | $11.43M | $10.53M | $3.66M | $5.18M | $6.7M | $1.25M |
| Short-Term Investments | $73.84M | $20.77M | $0 | $16.33M | $0 | $10M | $20M | $5.04M | $319K | $0 | $2K | $5M | $5M | $0 | $38K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Cash and Short-Term Investments | $85.11M | $117.68M | $54.44M | $71.14M | $73.54M | $37.45M | $33.52M | $26.54M | $43.06M | $39.01M | $51.91M | $21.86M | $20.89M | $8.91M | $3.69M | $3.57M | $1.13M | $3.35M | $10.17M | $8.82M | $9.09M | $2.63M | $5.09M | $7.16M | $9.08M | $11.43M | $10.53M | $3.66M | $5.18M | $6.7M | $1.25M |
| Accounts Receivable | $24.61M | $776K | $18.97M | $915K | $331K | $29.31M | $4K | $2.45M | $2M | $810K | $1.45M | $212K | $169K | $72K | $65K | $695K | $421K | $858K | $391K | $276K | $258K | $0 | $1.2M | $1.18M | $399K | $0 | $0 | $274K | $0 | $0 | $0 |
| Inventory | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $27K | $0 | $0 | $0 | $0 | $82K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Current Assets | $0 | $20.72M | $0 | $16.43M | $8.16M | $5.7M | $3.51M | $0 | -$39K | $1.9M | $2K | $2K | -$1K | $1K | $38K | $0 | $0 | $1K | $0 | $0 | $0 | $430K | $0 | $1K | $0 | $400K | $124K | $0 | $40K | $37K | $1.81M |
| Total Current Assets | $118.66M | $149.66M | $81.63M | $96.69M | $86.33M | $76.4M | $37.47M | $29.5M | $45.55M | $42.01M | $53.55M | $22.23M | $21.28M | $9.06M | $3.9M | $4.38M | $1.75M | $4.42M | $11.64M | $9.64M | $9.67M | $3.15M | $6.43M | $8.42M | $9.6M | $12.01M | $10.81M | $3.94M | $5.24M | $6.74M | $3.06M |
| Long-Term Assets | |||||||||||||||||||||||||||||||
| Property, Plant & Equipment Net | $1.75M | $1.58M | $2.31M | $2.2M | $1.94M | $1.13M | $611K | $921K | $1.17M | $1.38M | $1.09M | $458K | $218K | $157K | $225K | $288K | $377K | $536K | $399K | $147K | $247K | $40K | $60K | $72K | $56K | $92K | $4K | $6K | $37K | $65K | $2K |
| Goodwill | $10.62M | $7.5M | $9.98M | $8.01M | $7.59M | $8.13M | $7.69M | $8.13M | $8.03M | $7.71M | $6.66M | $7.08M | $7.55M | $7.33M | $28.34M | $28.35M | $8.13M | $8.61M | $6.65M | $6.24M | $6.38M | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Intangible Assets | $288K | $249K | $362K | $320K | $24K | $17K | $34K | $64K | $28K | $45K | $6K | $2K | $251K | $526K | $971K | $945K | $736K | $813K | $780K | $728K | $877K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Long-Term Investments | $0 | $0 | $362K | $284K | $301K | $303K | $275K | -$4.77M | $0 | $4.42M | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $17K | $0 | $0 | $0 | $0 | $0 | $0 |
| Deferred Tax Assets | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | -$3K | $0 | $0 | $0 | $0 | $3.69M | $3.57M | $1.13M | $3.35M | $10.17M | $8.82M | $9.09M | $2.63M | $5.09M | $7.16M | $9.08M | $11.43M | $10.53M | $3.66M | $5.18M | $6.7M | $1.25M |
| Other Long-Term Assets | $127K | $2.87M | -$116K | $0 | $0 | $0 | $0 | $5.04M | $233K | $239K | $233K | $0 | $0 | $0 | -$3.69M | -$3.57M | -$1.13M | -$3.35M | -$10.17M | -$8.82M | -$9.09M | -$2.63M | -$5.09M | -$7.16M | -$9.08M | -$11.43M | -$10.53M | -$3.66M | -$5.18M | -$6.7M | -$1.25M |
| Total Long-Term Assets | $12.78M | $12.2M | $12.9M | $10.81M | $9.86M | $9.57M | $8.61M | $9.39M | $9.46M | $13.78M | $8M | $7.54M | $8.02M | $8.02M | $29.54M | $29.58M | $9.24M | $9.96M | $7.83M | $7.12M | $7.5M | $40K | $60K | $72K | $73K | $92K | $4K | $6K | $37K | $65K | $2K |
| Other Assets | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Total Assets | $131.44M | $161.85M | $94.53M | $107.5M | $96.19M | $85.97M | $46.08M | $38.88M | $55.01M | $55.79M | $61.55M | $29.77M | $29.3M | $17.07M | $33.44M | $33.96M | $10.99M | $14.38M | $19.48M | $16.75M | $17.17M | $3.19M | $6.49M | $8.49M | $9.67M | $12.1M | $10.81M | $3.95M | $5.27M | $6.81M | $3.06M |
| Liabilities | |||||||||||||||||||||||||||||||
| Current Liabilities | |||||||||||||||||||||||||||||||
| Accounts Payable | $4.41M | $2.95M | $2.65M | $3.19M | $4.07M | $2.29M | $1.79M | $1.15M | $462K | $528K | $207K | $540K | $476K | $105K | $450K | $345K | $626K | $433K | $615K | $354K | $405K | $155K | $317K | $217K | $155K | $235K | $483K | $182K | $201K | $106K | $83K |
| Short-Term Debt | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Current Income Tax Payable | $0 | $0 | $476K | $0 | $0 | $0 | $0 | $189K | $192K | $73K | $80K | $118K | $119K | $275K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Current Unearned Revenue | $168K | $0 | $5.2M | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $293K | $343K | $418K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Current Liabilities | $5.94M | $765K | $81K | $9.45M | $4.43M | $17.04M | $2.48M | $27K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $776K | $941K | $383K | $877K | $593K | $514K | $340K | $865K | $780K | $538K | $692K | $1.1M | $404K | $426K | $302K | $145K |
| Total Current Liabilities | $13.61M | $13.44M | $17.68M | $21.94M | $15.17M | $25.57M | $9.65M | $3.83M | $2.66M | $1.61M | $1.12M | $2.01M | $1.72M | $959K | $1.26M | $1.69M | $2.1M | $935K | $1.8M | $1.04M | $1.34M | $514K | $1.31M | $1.03M | $725K | $964K | $1.6M | $603K | $640K | $417K | $301K |
| Long-Term Liabilities | |||||||||||||||||||||||||||||||
| Long-Term Debt | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Long-Term Unearned Revenue | $55.45M | $0 | $75M | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Long-Term Deferred Tax Liabilities | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Long-Term Liabilities | $0 | $41.37M | $0 | $63.48M | $72.5M | $51.34M | $15.52M | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $142K | $332K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Total Long-Term Liabilities | $55.52M | $41.37M | $59.45M | $63.48M | $72.5M | $51.34M | $15.52M | $1.15M | $462K | $528K | $207K | $837K | $769K | $448K | $450K | $345K | $626K | $433K | $615K | $354K | $142K | $332K | $317K | $217K | $155K | $235K | $483K | $182K | $201K | $0 | $0 |
| Other Liabilities | $0 | $0 | $0 | $0 | $0 | $0 | $0 | -$1.15M | -$462K | -$528K | -$207K | -$837K | -$769K | -$448K | -$450K | -$345K | -$626K | -$433K | -$615K | -$354K | $0 | $0 | -$317K | -$217K | -$155K | -$235K | -$483K | -$182K | -$201K | $0 | $0 |
| Total Liabilities | $69.14M | $54.8M | $77.12M | $85.43M | $87.67M | $76.91M | $25.17M | $3.83M | $2.66M | $1.61M | $1.12M | $2.01M | $1.72M | $959K | $1.26M | $1.69M | $2.1M | $935K | $1.8M | $1.04M | $1.49M | $846K | $1.31M | $1.03M | $725K | $964K | $1.6M | $603K | $640K | $417K | $301K |
| Stockholders' Equity | |||||||||||||||||||||||||||||||
| Preferred Stock | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $1K | $0 | $1K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Common Stock | $10.29M | $8.22M | $8.85M | $5.39M | $4.49M | $4.17M | $3.92M | $3.55M | $3.5M | $3.49M | $3.49M | $2.6M | $2.35M | $1.87M | $5.77M | $2.8M | $1.35M | $1.2M | $1.2M | $1.13M | $903K | $239K | $239K | $239K | $239K | $239K | $227K | $199K | $193K | $193K | $184K |
| Retained Earnings | -$562.57M | -$378.64M | -$431.89M | -$263.26M | -$222.97M | -$184.22M | -$152M | -$133.78M | -$116.43M | -$115.95M | -$109.44M | -$102.96M | -$91.87M | -$82.93M | -$57.77M | -$53.83M | -$45.15M | -$38.06M | -$30.63M | -$25.64M | -$21.76M | -$18.18M | -$15.22M | -$12.94M | -$11.46M | -$9.26M | -$7.32M | -$5.18M | -$3.6M | -$1.84M | -$874K |
| Comprehensive Income & Other | -$2.98M | -$9.41M | $40.36M | $53.27M | $42.67M | $35.38M | $30.84M | $165.28M | $165.28M | $166.64M | $166.37M | $33.46M | $33.04M | $24.57M | $25.29M | -$3.28M | -$3.34M | -$3.55M | $0 | $0 | $0 | -$249K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Stockholders' Equity | $614.59M | $477.47M | $445.04M | $279.94M | $227M | $189.11M | $168.99M | $165.28M | $165.28M | $166.64M | $166.37M | $128.11M | $117.09M | $97.17M | $84.18M | $83.3M | $52.69M | $50.3M | $47.1M | $40.21M | $36.55M | $20.28M | $20.16M | $20.16M | $20.16M | $20.16M | $16.3M | $8.32M | $8.04M | $8.04M | $3.45M |
| Total Equity | $62.3M | $107.05M | $21.99M | $22.07M | $8.53M | $9.06M | $20.91M | $35.05M | $52.35M | $54.18M | $60.43M | $27.76M | $27.58M | $16.12M | $32.18M | $32.27M | $8.89M | $13.44M | $17.68M | $15.71M | $15.69M | $2.34M | $5.18M | $7.46M | $8.95M | $11.14M | $9.21M | $3.34M | $4.63M | $6.39M | $2.76M |
| Minority Interest | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Total Liabilities and Equity | $131.44M | $161.85M | $99.11M | $107.5M | $96.19M | $85.97M | $46.08M | $38.88M | $55.01M | $55.79M | $61.55M | $29.77M | $29.3M | $17.07M | $33.44M | $33.96M | $10.99M | $14.38M | $19.48M | $16.75M | $17.17M | $3.19M | $6.49M | $8.49M | $9.67M | $12.1M | $10.81M | $3.95M | $5.27M | $6.81M | $3.06M |
| Supplementary Data | |||||||||||||||||||||||||||||||
| Total Debt | $160K | $93K | $274K | $446K | $137K | $341K | $287K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Net Debt | -$11.12M | -$96.82M | -$54.16M | -$54.37M | -$73.4M | -$27.11M | -$13.23M | -$21.49M | -$42.74M | -$39.01M | -$51.91M | -$16.86M | -$15.89M | -$8.91M | -$3.69M | -$3.57M | -$1.13M | -$3.35M | -$10.17M | -$8.82M | -$9.09M | -$2.63M | -$5.09M | -$7.16M | -$9.08M | -$11.43M | -$10.53M | -$3.66M | -$5.18M | -$6.7M | -$1.25M |
| Period | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 | FY 2015 | FY 2014 | FY 2013 | FY 2012 | FY 2011 | FY 2010 | FY 2009 | FY 2008 | FY 2007 | FY 2006 | FY 2005 | FY 2004 | FY 2003 | FY 2002 | FY 2001 | FY 2000 | FY 1999 | FY 1998 | FY 1997 | FY 1996 | FY 1995 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Currency | USD | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP | GBP |
| Period Ending | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 | 2006-12-31 | 2005-12-31 | 2004-12-31 | 2003-12-31 | 2002-12-31 | 2001-12-31 | 2000-12-31 | 1999-12-31 | 1998-12-31 | 1997-12-31 | 1996-12-31 | 1995-12-31 |
| Operating Activities | |||||||||||||||||||||||||||||||
| Net Income | -$88.61M | -$28.92M | -$50.31M | -$50.33M | -$61.89M | -$36.04M | -$22.87M | -$20.53M | -$3.77M | -$10.36M | -$9.43M | -$11.98M | -$9M | -$26.28M | -$5.79M | -$8.66M | -$7.55M | -$7.79M | -$5.79M | -$4.27M | -$3.9M | -$3.31M | -$2.67M | -$2M | -$3.03M | -$2.73M | -$2.18M | -$1.9M | -$2.16M | -$1.24M | -$933K |
| Depreciation & Amortization | $555K | $463K | $498K | $491K | $425K | $496K | $482K | $399K | $433K | $310K | $182K | $332K | $297K | $252K | $305K | $323K | $371K | $423K | $318K | $353K | $216K | $38K | $44K | $56K | $42K | $29K | $6K | $36K | $34K | $34K | $1K |
| Deferred Income Tax | $11K | $675K | $0 | $688K | $5.95M | $3.02M | $2.31M | $1.82M | -$8.4M | $1.59M | $1.51M | $892K | $80K | $20.47M | -$13K | $2.91M | $268K | $133K | -$191K | $57K | $262K | $238K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Stock-Based Compensation | $8.07M | $10.41M | $13.05M | $12.69M | $11.65M | $4.39M | $584K | $681K | $638K | $475K | $777K | $1.13M | $1.59M | $656K | $121K | $659K | $662K | $544K | $1.22M | $491K | $490K | $113K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Changes in Working Capital: | |||||||||||||||||||||||||||||||
| Accounts Receivable | $5.07M | -$722K | $314K | -$10.54M | $37.09M | -$29.3M | -$4K | $691K | $664K | -$1.03M | -$228K | -$15K | -$212K | $17K | $0 | $0 | $439K | $0 | -$608K | $0 | $0 | $944K | -$108K | -$777K | $0 | $0 | $0 | $0 | -$16K | $19K | -$38K |
| Inventory | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $27K | -$28K | $0 | $0 | $0 | $82K | -$14K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Accounts Payable | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Working Capital | $5.09M | -$25.67M | -$11.98M | -$8.85M | $15.33M | $47.96M | $21.09M | -$924K | $0 | $0 | $0 | $0 | $0 | $0 | $235K | -$2.86M | $1.17M | $0 | $911K | -$728K | $98K | -$374K | $192K | $303K | $0 | $0 | $1M | $0 | $224K | $186K | $150K |
| Total Working Capital Change | $10.16M | -$26.39M | -$11.66M | -$19.4M | $52.43M | $18.66M | $21.09M | -$233K | $664K | -$1.03M | -$228K | -$15K | -$212K | $17K | $262K | -$2.89M | $1.61M | -$364K | $303K | -$646K | $84K | $570K | $84K | -$474K | -$149K | -$645K | $1M | -$264K | $208K | $205K | $112K |
| Other Non-Cash Items | $7.54M | -$10.29M | $9.07M | -$1.18M | $619K | -$1.3M | $136K | $1.1M | $841K | -$1.05M | -$1.07M | $186K | $495K | $9K | $1K | -$2.89M | -$3K | $74K | $303K | -$17K | $64K | -$134K | $510K | $582K | $851K | $491K | $39K | $324K | $398K | $278K | $59K |
| Net Cash from Operating | -$62.27M | -$54.05M | -$39.35M | -$57.04M | $9.19M | -$10.78M | $1.73M | -$16.76M | -$9.6M | -$10.07M | -$8.26M | -$9.46M | -$6.76M | -$4.88M | -$5.11M | -$10.55M | -$4.65M | -$6.98M | -$3.83M | -$4.03M | -$2.78M | -$2.48M | -$2.04M | -$1.84M | -$2.28M | -$2.86M | -$1.13M | -$1.81M | -$1.52M | -$727K | -$761K |
| Investing Activities | |||||||||||||||||||||||||||||||
| Capital Expenditures | -$55K | -$169K | -$45K | -$173K | -$1.77M | -$511K | -$9K | -$188K | -$173K | -$537K | -$850K | -$338K | -$138K | -$202K | -$275K | -$292K | -$225K | -$272K | -$531K | -$129K | -$84K | -$19K | -$31K | -$74K | -$6K | -$116K | -$4K | -$5K | -$7K | -$97K | -$2K |
| Acquisitions | $0 | $0 | $0 | $0 | $0 | $0 | $0 | -$58K | -$13.22M | $0 | $0 | $0 | $0 | $53K | $0 | $746K | $0 | $0 | $0 | $0 | -$330K | $0 | $0 | -$3K | $0 | $0 | $0 | $0 | $0 | $0 | $386K |
| Purchases of Investments | -$166.41M | -$111.21M | -$20.67M | -$19.95M | $0 | $0 | -$15M | -$5M | -$4.92M | -$4.3M | $0 | $0 | -$5M | $0 | -$6K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | -$60K | $0 | $0 | $0 | $0 | $0 | $0 |
| Sales of Investments | $118.48M | $0 | $36.18M | $0 | $13.5M | $10M | $0 | $319K | $18.12M | $0 | $5M | $0 | $0 | $39K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Investing Activities | $0 | $93.82M | $958K | -$372K | -$18K | $129K | -$6K | $97K | $13.2M | $161K | $175K | $137K | $40K | -$23K | $37K | $105K | $46K | $285K | $543K | $347K | $202K | $34K | -$12K | $8.01M | $1.58M | -$810K | -$6.18M | $1.47M | $0 | $0 | $0 |
| Net Cash from Investing | -$47.99M | -$17.55M | $16.43M | -$20.5M | $11.71M | $9.62M | -$15.02M | -$4.83M | $13.01M | -$4.67M | $4.33M | -$201K | -$5.1M | -$133K | -$244K | $559K | -$179K | $13K | $12K | $218K | -$212K | $15K | -$43K | $7.94M | $1.51M | -$926K | -$6.19M | $1.47M | -$7K | -$97K | $384K |
| Financing Activities | |||||||||||||||||||||||||||||||
| Debt Repaid | - | - | $174K | - | $285K | $402K | - | - | - | - | - | - | - | -$1M | - | $1.94M | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Common Stock Issuance | $15K | $113.54M | $25.33M | $52.58M | $41.73M | $15.83M | $5.27M | $341K | $48K | $0 | $39.15M | $10.84M | $18.78M | $9.25M | $5.52M | $14.36M | $2.67M | $3K | $5.17M | $3.54M | $9.45M | $5K | $0 | $0 | $0 | $3.99M | $8.82M | $289K | $6K | $6.34M | $1.75M |
| Common Stock Repurchases | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | -$101K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Dividends Paid | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Other Financing Activities | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $10K | $0 | $0 | $0 | $0 | $0 | $0 | $1K | $1K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | -$120K | -$821K | $0 | $0 | -$70K | -$119K |
| Net Cash from Financing | $15K | $113.54M | $25.16M | $52.58M | $41.45M | $15.43M | $5.27M | $341K | $48K | -$101K | $39.15M | $10.84M | $18.78M | $10.25M | $5.52M | $12.42M | $2.67M | $4K | $5.17M | $3.54M | $9.45M | $5K | $0 | $0 | $0 | $3.87M | $8M | $289K | $6K | $6.27M | $1.63M |
| Forex Effect | $195K | $48K | -$3.02M | -$8.12M | -$142K | -$336K | $36K | -$2K | $270K | $1.95M | -$173K | -$220K | $51K | -$19K | -$44K | $11K | -$59K | $141K | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Net Change in Cash | -$110.05M | $41.98M | -$785K | -$33.08M | $62.2M | $13.93M | -$7.98M | -$21.25M | $3.73M | -$12.89M | $35.05M | $967K | $6.98M | $5.22M | $121K | $2.44M | -$2.22M | -$6.82M | $1.35M | -$267K | $6.46M | -$2.46M | -$9.25M | $5.03M | -$772K | $88K | $684K | -$49K | -$1.52M | $5.45M | $1.25M |
| Supplementary Data | |||||||||||||||||||||||||||||||
| Operating Cash Flow | -$62.27M | -$54.05M | -$39.35M | -$57.04M | $9.19M | -$10.78M | $1.73M | -$16.76M | -$9.6M | -$10.07M | -$8.26M | -$9.46M | -$6.76M | -$4.88M | -$5.11M | -$10.55M | -$4.65M | -$6.98M | -$3.83M | -$4.03M | -$2.78M | -$2.48M | -$2.04M | -$1.84M | -$2.28M | -$2.86M | -$1.13M | -$1.81M | -$1.52M | -$727K | -$761K |
| Capital Expenditure | -$55K | -$169K | -$45K | -$545K | -$1.8M | -$514K | -$9K | -$188K | -$173K | -$537K | -$850K | -$338K | -$138K | -$202K | -$275K | -$292K | -$225K | -$272K | -$531K | -$129K | -$84K | -$19K | -$31K | -$74K | -$6K | -$116K | -$4K | -$5K | -$7K | -$97K | -$2K |
| Free Cash Flow | -$62.33M | -$54.22M | -$39.4M | -$57.59M | $7.39M | -$11.29M | $1.72M | -$16.95M | -$9.77M | -$10.6M | -$9.11M | -$9.8M | -$6.89M | -$5.08M | -$5.38M | -$10.84M | -$4.87M | -$7.25M | -$4.36M | -$4.16M | -$2.87M | -$2.5M | -$2.07M | -$1.92M | -$2.29M | -$2.98M | -$1.14M | -$1.81M | -$1.53M | -$824K | -$763K |
| Cash at Beginning | $121.33M | $54.97M | $54.82M | $99.35M | $37.05M | $13.52M | $21.49M | $42.74M | $39.01M | $51.91M | $16.86M | $15.89M | $8.91M | $3.69M | $3.57M | $1.13M | $3.35M | $10.17M | $8.82M | $9.09M | $2.63M | $5.09M | $7.17M | $1.07M | $9.85M | $11.34M | $9.84M | $3.71M | $6.7M | $1.25M | $0 |
| Cash at End | $11.28M | $96.95M | $54.03M | $66.27M | $99.25M | $27.45M | $13.52M | $21.49M | $42.74M | $39.01M | $51.91M | $16.86M | $15.89M | $8.91M | $3.69M | $3.57M | $1.13M | $3.35M | $10.17M | $8.82M | $9.09M | $2.63M | -$2.08M | $6.09M | $9.08M | $11.43M | $10.53M | $3.66M | $5.18M | $6.7M | $1.25M |