Overview Financials News + Filings Key Docs Charts Ownership Insiders
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| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | | | | | | | | |
| Contract revenue from Healios | 5.5 | 1.4 | 5.6 | 24.3 | 3.7 | 17.3 | 11.9 | 1.6 |
| Contract revenue from Healios growth | 282.9% | -74.4% | -76.8% | 555.1% | -78.6% | 45.2% | 636.2% | -33.4% |
| Total revenues | 5.5 | 1.4 | 5.6 | 24.3 | 3.7 | 17.3 | 11.9 | 1.6 |
| Total revenues growth | 282.9% | -74.4% | -76.8% | 555.1% | -78.6% | 45.2% | 636.2% | -33.4% |
| Costs and expenses | | | | | | | | |
| Research and development | 71.1 | 63.0 | 39.0 | 38.7 | 27.8 | 24.8 | 21.3 | 23.4 |
| General and administrative | 20.1 | 15.9 | 11.4 | 10.4 | 8.5 | 7.8 | 7.5 | 6.9 |
| Depreciation | 1.4 | 0.9 | 0.7 | 0.9 | 0.7 | 0.4 | 0.3 | 0.4 |
| Total costs and expenses | 92.6 | 79.8 | 51.1 | 50.0 | 37.0 | 33.1 | 29.1 | 30.6 |
| Loss from operations | -87.1 | -78.3 | -45.5 | -25.0 | -33.3 | -15.0 | -17.2 | -29.0 |
| Operating margin | -1578.9% | -5439.7% | -807.5% | -103.1% | -897.6% | -86.6% | -143.7% | -1787.6% |
| Other (expense) income, net | 0.1 | -0.4 | 0.9 | 0.8 | 0.3 | 0.2 | -0.1 | 0.1 |
| Net loss | -87.0 | -78.8 | -44.6 | -24.3 | -32.2 | -15.3 | -16.4 | |
| Comprehensive loss | -87.0 | -78.8 | -44.6 | -24.3 | -32.2 | -15.3 | -16.4 | -22.1 |
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| Net loss per share, basic (in dollars per share) | ($0.39) | ($0.42) | ($0.29) | ($0.18) | ($0.29) | ($0.18) | ($0.20) | ($0.29) |
| Net loss per share, diluted (in dollars per share) | ($0.39) | ($0.42) | ($0.29) | ($0.18) | ($0.29) | ($0.18) | ($0.20) | ($0.31) |
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| Weighted average shares outstanding, basic (in shares) | 224.3 | 187.5 | 151.7 | 136.6 | 112.1 | 84.7 | 82.1 | 77.0 |
| Weighted average shares outstanding, diluted (in shares) | 224.3 | 187.5 | 151.7 | 136.6 | 112.1 | 84.7 | 82.9 | 78.5 |
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