In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
Cash flows from operating activities: | | | | | | | | |
Net loss | -3.9 | | | | -1.9 | | | |
Adjustments to reconcile net loss to net cash used in operating activities: | | | | | | | | |
Depreciation and amortization | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Amortization of right-of-use assets | 0.1 | 0.1 | 0.1 | 0.4 | 0.1 | 0.1 | 0.0 | 0.1 |
Amortization of debt and warrant discounts | 0.1 | | | 0.0 | | | | 0.0 |
Inventory allowance | 0.3 | | | | | | | |
Increase in contribution from parent for corporate overhead | | 0.2 | | | 0.1 | 0.1 | | |
Changes in operating assets and liabilities | | | | | | | | |
Accounts receivable | 0.2 | 0.3 | 0.1 | -0.5 | -0.5 | 0.2 | 0.1 | 0.1 |
Prepaid expenses and other assets | 0.0 | | | | 1.0 | | | |
Inventory | 0.0 | 0.1 | 0.2 | -1.5 | -0.1 | -1.3 | -0.7 | -0.2 |
Accounts payable | 0.2 | -0.1 | 0.3 | 0.3 | 0.2 | 0.1 | 0.0 | -0.5 |
Dividends payable | | | | | | | | |
Lease and warranty liabilities | | | | | | | | |
Other current liabilities | -0.4 | 0.4 | | 0.1 | 0.3 | 0.0 | | 0.2 |
Net cash used in operating activities | -0.9 | -0.7 | -0.1 | -2.5 | -1.1 | -0.7 | -1.8 | -2.5 |
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Cash flows from investing activities: | | | | | | | | |
Purchase of property and equipment | 0.0 | 0.0 | -0.1 | -0.2 | -0.1 | -0.1 | 0.0 | |
Cash used in investing activities | 0.0 | 0.0 | -0.1 | -0.2 | -0.1 | -0.1 | 0.0 | |
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Cash flows from financing activities: | | | | | | | | |
Proceeds from related party advances, net of payments | 0.7 | 0.0 | | | | | | |
Proceeds from contribution from parent | 0.6 | | | | 2.1 | | | |
Proceeds from issuance of warrants | 0.0 | | | | | | | |
Proceeds from note payable, net of discount | 0.2 | | | | | | | |
Net cash provided by financing activities | 0.9 | 0.6 | 0.2 | 2.7 | 1.2 | 1.0 | 1.6 | 2.6 |
Net (decrease) increase in cash and cash equivalents | 0.0 | -0.1 | | | 0.0 | 0.2 | | |