| In millions, except per share items | Dec-31-20 | Dec-31-19 |
| | 10-K | 10-K |
| Cash flows from operating activities | | |
| Net loss | -38.1 | -21.9 |
| |
| Adjustment to reconcile net loss to net cash used in operating activities: | | |
| Depreciation expense | 0.5 | 0.2 |
| Equity-based compensation expense | 2.6 | 0.1 |
| Fair value adjustments on convertible notes | -0.1 | -0.1 |
| Noncash interest expense | 0.2 | 0.0 |
| (Gain) loss on disposal of property and equipment | 0.0 | 0.0 |
| Changes in operating assets and liabilities: | | |
| Accounts receivable | 0.1 | -1.0 |
| Prepaid expenses and other current assets | -0.1 | -1.7 |
| Accounts payable | 0.5 | 0.4 |
| Accrued expenses and other current liabilities | 1.7 | 0.1 |
| Deferred rent | 0.5 | |
| Deferred revenue | -2.9 | 10.4 |
| Net cash used in operating activities | -35.0 | -13.4 |
| |
| Cash flows from investing activities | | |
| Purchases of property and equipment | -2.8 | -0.6 |
| Net cash used in investing activities | -2.8 | -0.6 |
| |
| Cash flows from financing activities | | |
| Proceeds from simple agreement for future equity | 6.0 | |
| Proceeds from issuance of common stock | 152.9 | |
| Common stock issuance costs | -14.3 | |
| |
| Proceeds from issuance of redeemable convertible preferred shares | | |
| Proceeds from issuance of long-term debt | | 2.0 |
| Debt issuance costs | | -0.1 |
| Repayment of long-term debt | -2.0 | |
| Net cash provided by financing activities | 242.2 | 19.9 |
| Net increase in cash and cash equivalents | 204.4 | 5.8 |
| |
| Components of cash, cash equivalents and restricted cash | | |
| Cash and cash equivalents | | |
| Restricted cash | | |
| |
| Supplemental cash flow disclosure | | |
| Cash paid for interest | 0.1 | 0.0 |
| |
| Supplemental disclosures of noncash activities | | |
| Conversion of redeemable convertible preferred shares into common stock upon closing of initial public offering | 153.3 | |
| Exchange of JDRF note and accrued interest for Series A redeemable convertible preferred shares | 1.8 | |
| Purchases of property and equipment included in accounts payable | 0.1 | 0.1 |
| |
| Fair value of warrants to purchase Series A redeemable convertible preferred shares issued to lender | | |