Overview Financials News + Filings Key Docs Ownership Insiders
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| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-K | 10-Q/A | 10-Q |
| Assets |
| Cash and equivalents | 104.1 | 102.3 | 79.2 | 134.3 | 139.9 | 228.2 | 109.0 | 142.6 |
| Short-term investments | 163.2 | 184.2 | 223.1 | 195.0 | 229.3 | 155.1 | | |
| Accounts receivable, net | | | | | 2.1 | | | |
| Other current assets | 5.8 | 9.5 | 10.4 | 14.4 | 14.9 | 16.4 | 12.0 | 3.8 |
| Total current assets | 273.1 | 296.1 | 312.8 | 343.7 | 386.1 | 399.6 | 121.0 | 146.4 |
| Property, plant, and equipment, net | 2.6 | 2.8 | 3.1 | 3.0 | 2.9 | 1.9 | 0.7 | 0.8 |
| Other fixed assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 |
| Total assets | 278.8 | 302.6 | 320.0 | 371.8 | 413.5 | 426.3 | 141.9 | 168.6 |
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| Accounts payable | 1.9 | 5.4 | 1.5 | 1.2 | 7.9 | 3.2 | 1.6 | 30.4 |
| Accrued expenses | 16.9 | 16.6 | 19.8 | 18.0 | 14.9 | 10.0 | 12.6 | 9.2 |
| Short-term debt | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other current liabilities | 2.9 | 3.9 | 2.3 | 2.5 | 2.4 | 1.9 | 8.0 | 2.5 |
| Total current liabilities | 21.6 | 25.9 | 23.6 | 21.7 | 25.2 | 15.1 | 22.3 | 42.1 |
| Other liabilities | 1.7 | 2.2 | 2.7 | 23.9 | 23.6 | 23.9 | 20.0 | 21.2 |
| Total liabilities | 23.3 | 28.2 | 26.3 | 45.6 | 48.7 | 39.0 | 42.3 | 63.3 |
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| Shareholders' equity [+] | 255.5 | 274.4 | 293.6 | 326.2 | 364.8 | 387.3 | 99.7 | 105.3 |
| Paid-in capital | 741.2 | 736.8 | 732.5 | 724.2 | 719.6 | 713.3 | 41.7 | 34.2 |
| Retained earnings | -516.2 | -494.6 | -470.5 | -430.4 | -388.0 | -360.2 | -339.0 | -325.9 |
| Tangible shareholders' equity | 255.5 | 274.4 | 293.6 | 326.2 | 364.8 | 387.3 | 99.7 | 105.3 |
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