| In millions, except per share items | Dec-31-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 |
| | 10-Q | 10-K/A | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Cash flows from operating activities: | | | | | | | | |
| Net loss | 1.3 | -1.0 | -1.8 | -1.6 | -1.7 | -2.8 | -1.2 | -0.7 |
| Adjustments to reconcile net loss to net cash used in operating activities: | | | | | | | | |
| Amortization and depreciation | | 0.3 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Common stock and stock option based compensation for employees and board of directors | | 0.8 | 0.8 | 1.3 | | 0.7 | 0.7 | 1.5 |
| Acquisition contingent consideration fair value adjustment | | | | | | | | |
| Issuance of common stock to vendors as compensation | | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 |
| Loss on conversion of convertible notes | | | | | 0.3 | | 0.5 | |
| Forgiveness of Paycheck Protection Program loan | | | -0.6 | | | | -0.5 | |
| Changes in operating assets and liabilities: | | | | | | | | |
| Accounts receivable | | 0.0 | 0.3 | -0.7 | 0.0 | -0.3 | 0.1 | -0.3 |
| Pre-offering costs | | | | | 0.5 | | | |
| Deferred costs/contract assets | | 0.0 | | 0.0 | | | | |
| Prepaid expenses and other current assets | | -0.3 | | -0.4 | | 0.0 | | |
| Other assets | | 0.0 | 0.0 | 0.0 | -0.1 | | | |
| Accounts payable | | -0.1 | 0.2 | 0.0 | -0.3 | 0.3 | 0.0 | 0.0 |
| Accrued liabilities | | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 |
| Accrued bonuses | | -0.3 | | 0.0 | | | | |
| Deferred revenue/contract liabilities | | | | 0.0 | | -0.2 | | |
| Net cash used in operating activities | 1.3 | -1.3 | -1.3 | -1.3 | -1.1 | -0.2 | -0.3 | -0.6 |
| |
| Cash flow from investing activities: | | | | | | | | |
| Purchases of equipment | | 0.0 | -0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Acquisitions, net of cash acquired | | -0.8 | -3.8 | -0.3 | | | | |
| Sale (purchase) of investments | | -0.2 | | -0.2 | | | | |
| Net cash used in investing activities | | 1.5 | -5.9 | -0.6 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Cash flows from financing activities: | | | | | | | | |
| Proceeds from initial public offering, net | | | | | 11.8 | 0.0 | 0.1 | 0.2 |
| Proceeds from securities purchase agreement, net | | | | 13.6 | | | | |
| Proceeds from exercise of stock options | | 0.0 | 0.7 | 0.6 | 0.0 | | | |
| Issuance of note receivable | | -0.3 | | | | | | |
| Net cash provided by financing activities | | 0.0 | 0.5 | 14.1 | 11.9 | -0.4 | 2.2 | 0.2 |
| Net change in cash, cash equivalents and restricted cash | | | | 23.1 | | | | |
| |
| Non-cash Investing and Financing activities: | | | | | | | | |
| Common stock issued for acquisitions | | | -1.1 | 0.3 | 0.8 | | | |
| Issuance of common stock for satisfaction of legacy acquisition liability | | | 0.5 | 0.0 | 0.8 | | | |
| Conversion of convertible promissory notes into common stock | | | | | 1.6 | 0.0 | 1.4 | 0.1 |
| Issuance of warrants in connection with initial public offering | | | | | 0.5 | | | |
| Issuance of warrants in connection with securities purchase agreement | | | | 8.8 | | | | |