| In millions, except per share items | Nov-30-22 | Nov-30-21 | Nov-30-20 | Nov-30-19 | Nov-30-18 | Nov-30-17 |
| | 10-K/A | 10-K/A | 10-K | 10-K | 10-K | 10-K |
| Cash flows from operating activities | | | | | | |
| Net loss | -2.4 | -1.2 | -0.1 | -0.4 | 0.2 | -0.1 |
| |
| Adjustments to reconcile net loss to net cash provided by operating activities | | | | | | |
| Gain on forgiveness of paycheck protection program and SBA loan | | | | | | |
| Stock-based compensation | 1.0 | | | 0.2 | | |
| |
| Vesting of restricted stock | | | | | | |
| Loss on debt extinguishment | | | | | | |
| Amortization of warrants issued with debt | | | | | | |
| Depreciation and amortization | 0.4 | 0.1 | | | | 0.0 |
| Lease amortization | 0.5 | 0.2 | | | | |
| Bad debt | 0.0 | | | | | |
| Gain on settlement | 0.0 | | | | | |
| |
| Changes in operating assets and liabilities | | | | | | |
| Accounts receivable | -0.1 | 0.0 | | | 0.0 | 0.0 |
| Inventories | 0.1 | -0.4 | | | | |
| Prepaid expenses and other current assets | -0.6 | -0.1 | | | | |
| Contract asset | 0.0 | | | | | |
| Accounts payable | 0.2 | 0.5 | | | | |
| |
| Accrued payroll liabilities | | | | | | |
| Right of use asset and lease liability, net | | | | | | |
| Other current liabilities | 0.0 | 0.0 | | | | |
| Contract liabilities | 1.8 | 1.0 | | | | |
| |
| Increase in accrued interest on notes payable | | | | | | |
| Increase (decrease) in accounts payable and accrued expenses | | | | | | |
| Net cash provided by operating activities | 0.5 | 0.0 | -0.1 | -0.2 | 0.0 | -0.1 |
| |
| Cash flows from investing activities | | | | | | |
| Purchase of property and equipment | -0.8 | -2.0 | | | | |
| Net cash used in investing activities | -0.8 | -2.0 | | | 0.0 | |
| |
| Cash flows from financing activities | | | | | | |
| Proceeds from issuance of preferred stock | 1.2 | 2.3 | | 0.2 | 0.1 | |
| |
| Proceed from issuance of stock | | | | | | |
| Proceeds from warrants exercised | | | | | | |
| Proceeds from stock subscriptions received | | | | | | |
| Proceeds from Paycheck Protection SBA Loan | | | | | | |
| Proceeds from issuance of convertible promissory notes- related party | | | | | | |
| Proceeds from issuance of convertible promissory notes | | | | | | |
| Net cash provided by financing activities | 1.2 | 2.3 | -0.2 | 0.2 | 0.2 | 0.1 |
| Net change in cash | 0.9 | 0.4 | | | | |
| |
| Non-cash activities: | | | | | | |
| Conversion debt settlement | | | | | | |
| Warrants amended with debt settlement | | | | | | |
| Warrants issued with convertible notes | | | | | | |
| Right of use asset acquired in exchange for lease liability, net | 1.6 | 3.4 | | | | |
| Issuance of preferred stock for contributed assets | | 0.3 | | | | |
| Issuance of common stock to founders | | 0.0 | | | | |
| Supplemental disclosure of cash flow information: | | | | | | |
| Cash paid for interest | | | | | | |
| Cash paid for income taxes | | | | | | |