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Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Nov. 30, 2023
Nov. 30, 2022
Statement of Cash Flows [Abstract]    
Net loss $ (3,171) $ (2,582)
Adjustments to reconcile net loss to cash used in operating activities    
Depreciation and amortization 79 57
Inventory write-down 90 4
Change in fair value of derivative warrant liability (9) (560)
Changes in operating assets and liabilities:    
Inventory 18 (29)
Prepaid and other current assets 128 73
Operating lease right-of-use asset 156 136
Accounts payable, accrued expenses and customer advances (262) 583
Accrued interest on notes payable 952 183
Customer advances (7) 14
Operating lease liability (152) (133)
Cash used in operating activities (2,178) (2,254)
Cash used in investing activities:    
Purchase of property and equipment (23) (54)
Cash flows from financing activities:    
Proceeds from issuance of common stock 2,177 2,600
Proceeds from issuance of convertible notes payable 120
Payment of notes payable (66) (208)
Cash provided by financing activities 2,231 2,392
Net increase in cash and cash equivalents 30 84
Cash and cash equivalents-beginning of period 15 150
Cash and cash equivalents-end of period 45 234
Cash paid for:    
Interest 160 128
Income taxes
Supplemental schedule of non-cash transactions:    
Note payable issued for software licensing agreement 155
Fair value of warrants issued for note settlement $ 1,051