In millions, except per share items | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Dec-31-20 |
| 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-K |
Assets | | | | | | |
Current assets: | | | | | | |
Cash and cash equivalents | 191.0 | 220.4 | 244.5 | 264.6 | 0.0 | 11.1 |
Restricted cash, short-term | 0.1 | 0.1 | 0.1 | 0.1 | | 0.1 |
Prepaid expenses and other current assets | 9.5 | 6.9 | 12.5 | 12.9 | 0.1 | 1.4 |
Total current assets | 200.5 | 226.9 | 256.6 | 277.5 | 0.2 | 66.0 |
Restricted cash, long-term | 0.8 | 0.8 | 0.8 | 0.3 | | 0.3 |
Property, equipment and software, net | 17.7 | 15.0 | 11.1 | 9.6 | | 6.5 |
Operating lease right-of-use assets | 22.9 | 6.1 | 6.1 | | | |
Other assets | 6.4 | 7.2 | 3.7 | 3.6 | | 0.1 |
Total assets | 248.3 | 256.0 | 278.3 | 291.0 | 414.2 | 73.0 |
|
Liabilities and stockholders’ equity | | | | | | |
Current liabilities: | | | | | | |
Accounts payable | 2.8 | 4.4 | 4.1 | 2.5 | | 0.4 |
Accrued expenses and other current liabilities | 9.2 | 6.6 | 6.2 | 3.1 | 1.1 | 0.9 |
Current portion of operating lease liabilities | 3.3 | 2.0 | 1.9 | | | |
Short-term notes payable | 0.5 | 0.5 | 0.4 | 0.4 | | 0.2 |
Total current liabilities | 15.7 | 13.6 | 12.6 | 6.0 | 1.8 | 1.5 |
Long-term notes payable | 1.4 | 1.3 | 0.6 | 0.7 | | 0.5 |
Warrant liability | 1.6 | 3.0 | 27.3 | | | |
Non-current portion of operating lease liabilities | 20.1 | 4.4 | 4.4 | | | |
Other long-term liability | 0.1 | 0.1 | 0.1 | | | |
Long-term deferred rent | | | | 0.2 | | 0.1 |
Total liabilities | 39.0 | 22.4 | 45.0 | 56.4 | 39.3 | 2.2 |
|
Commitments and contingencies (Note 10) | | | | | | |
Stockholders’ equity: | | | | | | |
Preferred stock, $0.0001 par value; 10,000,000 shares authorized, none issued and none outstanding as of September 30, 2022 and December 31, 2021 | | | | | | 0.0 |
|
Common stock, value | | | | | | |
Additional paid-in capital | 460.4 | 449.2 | 434.6 | 417.5 | | 129.4 |
Accumulated deficit | -251.1 | -215.7 | -201.4 | -182.9 | -39.1 | -58.7 |
Total stockholders’ equity | 209.4 | 233.5 | 233.3 | 234.6 | -39.1 | 70.8 |
Total liabilities and stockholders’ equity | 248.3 | 256.0 | 278.3 | 291.0 | 414.2 | 73.0 |