v3.26.3
Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
May 31, 2026
May 31, 2025
Statement of Cash Flows [Abstract]    
Net loss $ (8,408) $ (2,841)
Adjustments to reconcile net loss to cash used in operating activities    
Depreciation and amortization 55 44
Change in fair value of derivative liability 7,028 1,570
Loss on reclassification of equity-classified instruments to derivative liability 48
Changes in operating assets and liabilities:    
Inventory 33
Prepaid and other current assets 71 47
Operating lease right-of-use asset 70 63
Accounts payable and accrued expenses 50 (32)
Accrued interest 426 437
Customer advances 17
Operating lease liability (76) (67)
Cash used in operating activities (719) (746)
Cash flows from financing activities:    
Proceeds from issuance of common stock 751 848
Principal payments of convertible notes payable (20)
Principal payments of notes payable (16) (84)
Cash provided by financing activities 735 744
Net increase (decrease) in cash and cash equivalents 16 (2)
Cash and cash equivalents-beginning of period 11 23
Cash and cash equivalents-end of period 27 21
Cash paid for:    
Interest 15
Income taxes
Non-cash investing and financing activities:    
Reclassification of equity-classified instruments to derivative liability $ 1,151