The firm continues to experience significant cash strain, evidenced by a negative $760.0K free cash flow in 2026Q1 and a persistent reliance on external capital to sustain operations.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Cash from Operations | -1.45M | -1.33M | -788.82K | -2.3M | -2.18M | -1.8M | -2.25M | -2.08M | -2.07M | -1.47M | -4.01M | -3.58M | -3.32M | -3.24M | -2.68M | -3.35M | -3.2M | -3.73M | -2.41M | -3.52M | -3.27M | -3.92M | -3.61M | -4.12M | -3.67M | -4.94M | -3.22M | -2.6M | -2.7M | 300K | -4.3M |
| Operating CF Margin % | - | -118.54% | -59.06% | -252.31% | -404.45% | -142.85% | -271.92% | -133.16% | -139.12% | -97.45% | -324.04% | -178.37% | -207.89% | -150.13% | -136.87% | -396.3% | -417.19% | -525.85% | -143.71% | -874.14% | -2007.73% | -2825.99% | -1792.69% | -1597.67% | -1685.26% | -3477.7% | -964.41% | -1300% | -2700% | 300% | -4300% |
| Operating CF Growth % | -1005.81% | -68.5% | 65.63% | -5.15% | -20.98% | 19.91% | -8.16% | -0.56% | -40.84% | 63.29% | -11.86% | -7.73% | -2.43% | -21.12% | 20.09% | -4.7% | 14.21% | -54.6% | 31.36% | -7.71% | 16.72% | -8.64% | 12.51% | -12.53% | 25.77% | -53.47% | -23.76% | 3.7% | -1000% | 106.98% | -138.89% |
| Net Income | -2.39M | -2.05M | -1.31M | -1.91M | -2.67M | -1.85M | -2.34M | -3.81M | -2.69M | -2.41M | -4.24M | -4.28M | -4.41M | -5.85M | -3.06M | -4.13M | -3.87M | -4M | -2.59M | -7.57M | -3.3M | -3.75M | -4.26M | -4.77M | -3.95M | -4.54M | -7.57M | -3.7M | -2.6M | -3.2M | -2.5M |
| Depreciation & Amortization | 184.34K | 186.67K | 263.56K | 172.14K | 175.15K | 10.14K | 67.08K | 195.38K | 181.05K | 175.64K | 188.5K | 140.17K | 31.82K | 45.21K | 34.96K | 39.86K | 44.31K | 40.08K | 43.74K | 37.43K | 37.66K | 46.14K | 82.74K | 112.09K | 114.17K | 118.66K | 109.14K | 100K | 100K | 100K | 0 |
| Stock-Based Compensation | 374.88K | 374.88K | 89.32K | 144.73K | 232.29K | 217.01K | 327.55K | 841.61K | 69.31K | 76.3K | 67.53K | 725.02K | 1.04M | 2.72M | 878.58K | 702.84K | 772.6K | 445.91K | 126.41K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30.02K | 1.77K | -400.73K | -911.67K | -2.64M | -878.58K | 4.13M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 154.25K | 154.25K | 25K | 37.85K | 201.91K | 73K | -120.69K | 859.33K | 321.39K | 13.2K | 480.56K | 725.02K | 1.04M | 2.72M | 878.58K | -4.2M | -23.84K | -17.11K | 40K | 4.12M | 25K | -2.37K | 228.91K | 734.09K | 146.84K | 130.41K | 3.94M | 700K | 0 | 100K | -1.3M |
| Working Capital Changes | 231.97K | 621 | 144.68K | -741.41K | -122.75K | -258.08K | -185.78K | -170.06K | 43.32K | 648.16K | -505.4K | -490.43K | -116.08K | -245.56K | -529.03K | 108.79K | -120.26K | -198.65K | -29.58K | -106.25K | -24.39K | -217.08K | 342.02K | -198.85K | 24.34K | -646.79K | 304.83K | 300K | -200K | 3.3M | -500K |
| Change in Receivables | 269.82K | 95.29K | 320.19K | -508.81K | 100.27K | -277.82K | -23.6K | -123.02K | -77.56K | 476.49K | -283.03K | -463.74K | -439.31K | -260.04K | -354.27K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | -56.16K | 156.77K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 89.74K | 12.68K | 0 | 0 | -10.39K | 56.16K | -156.77K | 0 | 94.17K | -56.35K | -98.94K | -14.47K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Investing | -683 | -726 | -1.62K | 55.59K | 2.69M | -2.78M | -52.82K | -65.28K | -11.66K | 1.52M | -15.26K | 1.18M | 1.44M | -74.55K | -3.58M | -1.27M | -10.31K | 2.28M | -2.49M | -99.69K | -28.81K | -36.54K | -23.76K | -122.06K | 6.96M | 3.52M | -10.2M | -200K | 6.2M | -3M | -100K |
| Capital Expenditures | -683 | -726 | -1.62K | -1.56K | -1.27K | -1.08K | -56.54K | -65.28K | -11.66K | -6.55K | -11.71K | -316.19K | -627.66K | -50.54K | -11.58K | -12.52K | -10.31K | -23.95K | -76.22K | -62.19K | -28.81K | -36.54K | -67.96K | -47.16K | -35.37K | -50.57K | -137.52K | -100K | -100K | -100K | -100K |
| CapEx % of Revenue | 0.1% | 0.06% | 0.12% | 0.17% | 0.24% | 0.09% | 6.82% | 4.17% | 0.78% | 0.43% | 0.95% | 15.75% | 39.26% | 2.34% | 0.59% | 1.48% | 1.34% | 3.37% | 4.54% | 15.46% | 17.71% | 26.34% | 33.76% | 18.26% | 16.26% | 35.61% | 41.22% | 50% | 100% | 100% | 100% |
| Acquisitions | 0 | 0 | 0 | 0 | 0 | 2.78M | 3.71K | 0 | 0 | 0 | 6K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 0 | 0 | 0 | 0 | -2.78M | 0 | 0 | 0 | 1.52M | 6K | 1.49M | 2.07M | -24.01K | 224.9K | 0 | 0 | 0 | 0 | -37.5K | 0 | 0 | 44.2K | -74.9K | 0 | -750K | 0 | 0 | 0 | 0 | 0 |
| Cash from Financing | 1.38M | 0 | 308.67K | 484.5K | 3.45M | 86.26K | 486.26K | 5.77M | 3.31M | 0 | 0 | 548.48K | 3.58M | 795.29K | 12.25M | 65.98K | 6.41M | 2.85M | 9.81K | 7.88M | 2.65M | 5M | 1.16M | 4.2M | 973.72K | -1.53M | 9.08M | 5.6M | -200K | 4.4M | 1M |
| Debt Issued (Net) | 0 | 0 | 0 | 0 | 0 | 0 | 202.05K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 152.96K | 0 | 0 | 300K | 0 | 3.2M | 0 |
| Equity Issued (Net) | 1.38M | 0 | 300K | 0 | 3.45M | 86.26K | 284.21K | 5.77M | 3.31M | 0 | 0 | 548.48K | 3.58M | 795.29K | 12.25M | 65.98K | 6.41M | 2.85M | 9.81K | 7.88M | 2.65M | 5M | 1.16M | 4.2M | 820.75K | -1.53M | 9.08M | 5.3M | -200K | 1.1M | 1.3M |
| 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 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -2.35M | -8.14M | -3.31M | -300K | -700K | -100K | -100K |
| Other Financing | 0 | 0 | 8.67K | 484.5K | 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 | 100K | -300K |
| Net Change in Cash | -73.51K | -1.33M | -481.77K | -1.75M | 3.96M | -4.5M | -1.82M | 3.62M | 1.23M | 46.24K | -4.02M | -1.86M | 1.7M | -2.52M | 5.99M | -4.55M | 3.2M | 1.39M | -4.89M | 4.26M | -644.16K | 1.04M | -2.47M | -45.28K | 4.26M | -2.95M | -4.34M | 2.7M | -200K | 4.4M | 1M |
| Free Cash Flow | -1.45M | -1.33M | -790.44K | -2.3M | -2.18M | -1.81M | -2.31M | -2.15M | -2.08M | -1.48M | -4.02M | -3.9M | -3.95M | -3.3M | -2.69M | -3.37M | -3.21M | -3.76M | -2.49M | -3.58M | -3.29M | -3.96M | -3.68M | -4.17M | -3.7M | -4.99M | -3.36M | -2.7M | -2.8M | 200K | -4.4M |
| FCF Margin % | -207.59% | -118.61% | -59.19% | -252.49% | -404.68% | -142.94% | -278.74% | -137.34% | -139.91% | -97.88% | -324.99% | -194.12% | -247.15% | -152.47% | -137.47% | -397.77% | -418.54% | -529.22% | -148.25% | -889.6% | -2025.45% | -2852.33% | -1826.45% | -1615.94% | -1701.52% | -3513.31% | -1005.62% | -1350% | -2800% | 200% | -4400% |
| FCF Growth % | -39.19% | -68.25% | 65.58% | -5.16% | -20.97% | 21.82% | -7.51% | -3.13% | -41% | 63.23% | -3.08% | 1.38% | -19.91% | -22.47% | 20.04% | -4.75% | 14.48% | -50.83% | 30.42% | -8.66% | 16.76% | -7.62% | 11.87% | -12.73% | 25.81% | -48.69% | -24.27% | 3.57% | -1500% | 104.55% | -144.44% |
| FCF per Share | -0.04 | -0.04 | -0.02 | -0.07 | -0.07 | -0.06 | -0.07 | -0.07 | -0.08 | -0.06 | -0.17 | -0.16 | -0.17 | -0.14 | -0.13 | -0.18 | -0.19 | -0.23 | -0.16 | -0.23 | -0.23 | -0.29 | -0.29 | -0.34 | -0.30 | -0.41 | -0.28 | -0.24 | -0.25 | 0.02 | -0.44 |
| FCF Conversion (FCF/Net Income) | 0.61x | 0.65x | 0.60x | 1.20x | 0.82x | 0.98x | 0.96x | 0.55x | 0.77x | 0.61x | 0.95x | 0.84x | 0.75x | 0.56x | 0.87x | 0.81x | 0.83x | 0.93x | 0.93x | 0.46x | 0.99x | 1.05x | 0.85x | 0.86x | 0.93x | 1.09x | 0.43x | 0.70x | 1.04x | -0.09x | 1.72x |
| Interest 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 |
| Taxes 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 |
Imminent liquidity and dilution
As reported in recent financial statements, the persistent gap between net income and operating cash flow, highlighted by an OCF/NI ratio of 1.45 in 2026Q1, suggests that the company's accounting losses are being compounded by actual cash outflows required to sustain its ongoing patent-heavy operations.
The consistent inability to align net income with operating cash flow indicates that the company's earnings quality is severely compromised by structural cash burn. Investors should monitor this divergence, as it implies that the firm's licensing model is not generating the internal liquidity necessary to cover its fixed operating expenses.
Based on the provided quarterly data, the company's free cash flow remains consistently negative, with a -5.6% FCF margin in 2026Q1, reflecting a business model that has yet to achieve the scale required to generate positive cash returns from its intellectual property licensing activities.
The trajectory of free cash flow suggests a chronic reliance on external capital to fund operations, as the firm has failed to demonstrate a path toward self-sustaining cash generation. This trend warrants further investigation into whether the current royalty-based revenue can ever realistically cover the firm's high fixed-cost base.
According to recent SEC filings, working capital fluctuations have become a significant source of cash volatility, with a negative $278.6K change in 2026Q1, further straining the company's limited cash reserves and highlighting the unpredictable nature of royalty collections from its third-party manufacturing partners.
The erratic nature of working capital changes suggests that the timing of royalty payments is highly inconsistent, which complicates cash flow forecasting. This volatility appears to exacerbate the firm's liquidity risk, as it lacks the buffer to absorb periods where working capital requirements turn sharply negative.
As indicated by the cash flow statements, the company's reliance on stock-based compensation, which reached $199.7K in 2025Q4, obscures the true cash cost of talent retention while the firm continues to burn through its remaining $664,299 in cash and equivalents to maintain its patent portfolio.
The use of non-cash adjustments like stock-based compensation may mask the severity of the firm's cash burn, potentially misleading investors regarding the true cost of operations. Analysts should interpret these figures as a sign that the company is prioritizing equity-based incentives despite the absence of positive cash flow.
Quick answers to the most common questions about buying REFR stock.
Research Frontiers Incorporated (REFR) generated $-1.3M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Research Frontiers Incorporated (REFR) reported negative free cash flow of $1.3M in 2025, indicating capital requirements exceeded cash from operations.
Research Frontiers Incorporated (REFR) spent $0.0M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.