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Side-by-side financial comparison of ClearSign Technologies Corp (CLIR) and KOSS CORP (KOSS). Click either name above to swap in a different company.
ClearSign Technologies Corp is the larger business by last-quarter revenue ($3.7M vs $2.9M, roughly 1.3× KOSS CORP). ClearSign Technologies Corp runs the higher net margin — -8.5% vs -19.8%, a 11.3% gap on every dollar of revenue. On growth, ClearSign Technologies Corp posted the faster year-over-year revenue change (522.2% vs -19.6%). Over the past eight quarters, ClearSign Technologies Corp's revenue compounded faster (82.5% CAGR vs 4.2%).
ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.
Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.
CLIR vs KOSS — Head-to-Head
Income Statement — Q4 FY2025 vs Q2 FY2026
| Metric | | |
|---|---|---|
| Revenue | $3.7M | $2.9M |
| Net Profit | $-311.0K | $-565.4K |
| Gross Margin | 21.9% | 29.0% |
| Operating Margin | -22.5% | -35.5% |
| Net Margin | -8.5% | -19.8% |
| Revenue YoY | 522.2% | -19.6% |
| Net Profit YoY | 73.3% | -700.6% |
| EPS (diluted) | $-0.06 | $-0.06 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $3.7M | $2.9M | ||
| Q3 25 | $1.0M | $4.1M | ||
| Q2 25 | $133.0K | $3.1M | ||
| Q1 25 | $401.0K | $2.8M | ||
| Q4 24 | $590.0K | $3.6M | ||
| Q3 24 | $1.9M | $3.2M | ||
| Q2 24 | $45.0K | $2.9M | ||
| Q1 24 | $1.1M | $2.6M |
| Q4 25 | $-311.0K | $-565.4K | ||
| Q3 25 | $-1.4M | $243.7K | ||
| Q2 25 | $-1.7M | $-232.7K | ||
| Q1 25 | $-2.1M | $-316.7K | ||
| Q4 24 | $-1.2M | $94.1K | ||
| Q3 24 | $-1.2M | $-419.5K | ||
| Q2 24 | $-1.9M | $-110.4K | ||
| Q1 24 | $-1.1M | $-313.8K |
| Q4 25 | 21.9% | 29.0% | ||
| Q3 25 | 35.8% | 40.0% | ||
| Q2 25 | 41.4% | 36.0% | ||
| Q1 25 | 48.9% | 39.0% | ||
| Q4 24 | 14.9% | 39.5% | ||
| Q3 24 | 29.6% | 36.6% | ||
| Q2 24 | 93.3% | 40.4% | ||
| Q1 24 | 39.7% | 31.9% |
| Q4 25 | -22.5% | -35.5% | ||
| Q3 25 | -170.1% | -1.1% | ||
| Q2 25 | -1382.0% | -14.2% | ||
| Q1 25 | -562.8% | -18.7% | ||
| Q4 24 | -282.4% | -4.0% | ||
| Q3 24 | -77.1% | -19.9% | ||
| Q2 24 | -4748.9% | -11.0% | ||
| Q1 24 | -113.6% | -23.1% |
| Q4 25 | -8.5% | -19.8% | ||
| Q3 25 | -138.9% | 6.0% | ||
| Q2 25 | -1263.2% | -7.5% | ||
| Q1 25 | -517.7% | -11.4% | ||
| Q4 24 | -197.3% | 2.6% | ||
| Q3 24 | -62.1% | -13.1% | ||
| Q2 24 | -4160.0% | -3.8% | ||
| Q1 24 | -100.5% | -11.9% |
| Q4 25 | $-0.06 | $-0.06 | ||
| Q3 25 | $-0.26 | $0.03 | ||
| Q2 25 | $-0.30 | $-0.02 | ||
| Q1 25 | $-0.37 | $-0.03 | ||
| Q4 24 | $-0.18 | $0.01 | ||
| Q3 24 | $-0.20 | $-0.05 | ||
| Q2 24 | $-0.40 | $-0.01 | ||
| Q1 24 | $-0.30 | $-0.03 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $9.2M | $15.5M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $9.5M | $30.3M |
| Total Assets | $12.2M | $36.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $9.2M | $15.5M | ||
| Q3 25 | $10.5M | $16.5M | ||
| Q2 25 | $12.3M | $15.7M | ||
| Q1 25 | $12.9M | $13.0M | ||
| Q4 24 | $14.0M | $9.7M | ||
| Q3 24 | $14.5M | $11.9M | ||
| Q2 24 | $16.0M | $14.9M | ||
| Q1 24 | $4.6M | $9.9M |
| Q4 25 | $9.5M | $30.3M | ||
| Q3 25 | $9.1M | $30.9M | ||
| Q2 25 | $10.4M | $30.6M | ||
| Q1 25 | $12.0M | $30.7M | ||
| Q4 24 | $13.8M | $31.0M | ||
| Q3 24 | $14.8M | $30.8M | ||
| Q2 24 | $15.9M | $31.1M | ||
| Q1 24 | $4.5M | $31.1M |
| Q4 25 | $12.2M | $36.8M | ||
| Q3 25 | $12.7M | $37.7M | ||
| Q2 25 | $14.2M | $37.2M | ||
| Q1 25 | $14.5M | $37.3M | ||
| Q4 24 | $16.3M | $37.4M | ||
| Q3 24 | $17.1M | $38.1M | ||
| Q2 24 | $17.8M | $37.2M | ||
| Q1 24 | $6.6M | $37.6M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-1.3M | $-760.8K |
| Free Cash FlowOCF − Capex | — | $-1.1M |
| FCF MarginFCF / Revenue | — | -37.5% |
| Capex IntensityCapex / Revenue | 0.0% | 10.9% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $-546.7K |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-1.3M | $-760.8K | ||
| Q3 25 | $-1.8M | $762.6K | ||
| Q2 25 | $-511.0K | $-534.9K | ||
| Q1 25 | $-1.1M | $370.4K | ||
| Q4 24 | $-415.0K | $-252.0K | ||
| Q3 24 | $-1.4M | $201.6K | ||
| Q2 24 | $-1.5M | $-174.0K | ||
| Q1 24 | $-1.0M | $328.6K |
| Q4 25 | — | $-1.1M | ||
| Q3 25 | — | $761.5K | ||
| Q2 25 | — | $-541.8K | ||
| Q1 25 | $-1.1M | $306.2K | ||
| Q4 24 | — | $-314.3K | ||
| Q3 24 | — | $-155.6K | ||
| Q2 24 | — | $-174.8K | ||
| Q1 24 | — | $269.3K |
| Q4 25 | — | -37.5% | ||
| Q3 25 | — | 18.7% | ||
| Q2 25 | — | -17.6% | ||
| Q1 25 | -278.1% | 11.0% | ||
| Q4 24 | — | -8.8% | ||
| Q3 24 | — | -4.9% | ||
| Q2 24 | — | -6.0% | ||
| Q1 24 | — | 10.2% |
| Q4 25 | 0.0% | 10.9% | ||
| Q3 25 | 0.0% | 0.0% | ||
| Q2 25 | 0.0% | 0.2% | ||
| Q1 25 | 1.0% | 2.3% | ||
| Q4 24 | — | 1.8% | ||
| Q3 24 | 0.0% | 11.2% | ||
| Q2 24 | — | 0.0% | ||
| Q1 24 | — | 2.3% |
| Q4 25 | — | — | ||
| Q3 25 | — | 3.13× | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | -2.68× | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
