| In millions, except per share items | Jun-30-21 | Mar-31-21 | Sep-30-20 | Jun-30-20 | Jun-05-20 | Mar-31-20 | Mar-05-20 | Dec-31-19 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 8-K | 10-Q | 8-K | 10-K |
| Cash flows from operating activities: | | | | | | | | |
| Net loss | -12.9 | 2.2 | -0.5 | -14.3 | | -26.8 | | -5.3 |
| Reconciliation of net loss to net cash (used in) from operating activities: | | | | | | | | |
| Depreciation of fixed assets and leases | 0.2 | 0.2 | 1.0 | 1.0 | | 1.0 | | 1.0 |
| Provision for bad debt | -0.1 | 0.4 | 0.0 | 0.2 | | 0.1 | | -0.3 |
| Provision for write down of inventory | 1.8 | -1.1 | 3.1 | 0.5 | | 1.4 | | -0.2 |
| Stock based compensation | 0.1 | 0.1 | 0.1 | 0.2 | | 0.5 | | 0.2 |
| (Accretion) amortization of debt costs and debt discount/premium | -0.6 | 0.2 | 2.4 | 2.2 | | 1.7 | | 1.9 |
| Amortization of intangible assets | 0.6 | 0.6 | 0.7 | 0.6 | | 0.7 | | 0.7 |
| Non cash lease expense | 0.1 | 0.1 | 0.1 | 0.1 | | 0.1 | | 0.1 |
| Foreign currency exchange (gain)/loss | -0.8 | 2.1 | -1.9 | -2.1 | | 1.6 | | -0.9 |
| Loss on impairment of intangible assets | | 0.0 | | | | 8.4 | | |
| Non cash interest expense | 3.1 | 3.1 | 6.8 | 4.2 | | 2.0 | | 2.1 |
| Gain on debt restructuring | | -22.4 | -10.9 | | | | | |
| Inducement loss | | 1.9 | 0.7 | | | | | |
| Change in the fair value of derivative liabilities | | | | | | | | |
| Changes in operating assets and liabilities: | | | | | | | | |
| Accounts receivable | 0.1 | 1.0 | -2.7 | -5.1 | | 11.6 | | 0.4 |
| Inventories | 2.1 | 3.6 | 2.2 | -2.9 | | -8.2 | | -0.2 |
| Prepaid expenses, other current receivables, and assets | 1.0 | 0.4 | 1.3 | 0.4 | | -0.1 | | -0.9 |
| Accounts payable and accrued expenses | -2.0 | -6.2 | -2.9 | 2.6 | | 1.9 | | -2.4 |
| Operating liabilities | -0.1 | -0.1 | -0.1 | -0.1 | | -0.1 | | -0.1 |
| Customer deposits | 0.6 | | | | | | | |
| Net cash used in operating activities | -6.5 | -10.9 | -4.5 | -8.2 | | -2.9 | | -9.8 |
| |
| Cash flows from investing activities: | | | | | | | | |
| Capital expenditures | -0.2 | 0.0 | -0.8 | -1.5 | | -0.9 | | -2.1 |
| Net cash used in investing activities | -0.2 | 0.0 | -0.8 | -1.5 | | -0.9 | | -2.1 |
| |
| Cash flows from financing activities: | | | | | | | | |
| Proceeds from Term Loan 2023 | | 1.5 | | | | | | |
| Proceeds from ATM | 2.0 | 34.9 | | | | | | |
| Debt issuance costs | | -4.0 | -2.8 | | | | | -2.8 |
| Government grant advance | | | | 3.4 | | | | |
| Principal paid on lease obligation | 0.0 | 0.0 | | 0.0 | | 0.0 | | |
| Net cash provided by financing activities | 2.0 | 32.4 | 9.2 | 3.4 | | 0.0 | | 20.9 |
| Effect of exchange rate on cash and cash equivalents | -0.2 | 0.1 | -0.1 | 1.1 | | -0.7 | | |
| Net increase (decrease) in cash, cash equivalents and restricted cash | -4.9 | 21.6 | | -9.7 | | -4.5 | | |
| |
| Supplemental Cash flow information: | | | | | | | | |
| Cash payments for interest | 0.4 | 0.4 | 0.4 | 2.0 | | 0.4 | | 2.4 |
| Cash payments for income taxes | 0.0 | 0.0 | 0.0 | | | 0.0 | | 0.1 |
| Non-cash operating, investing and financing transactions: | | | | | | | | |
| Acquisition of capital expenditures in accounts payable and accrued expenses | 0.0 | 0.0 | 0.0 | 0.0 | | 0.2 | | -0.9 |
| Capitalized stock compensation in capital expenditures | | | 0.0 | 0.0 | | 0.0 | | 0.0 |
| Issuance of Series D preferred stock | | 15.4 | | | | | | |