Balance Sheets - USD ($) $ in Thousands	Feb. 29, 2024	Feb. 28, 2023
Current assets
Cash and cash equivalents	$ 124	$ 15
Inventories	20	155
Prepaid and other current assets	175	142
Total current assets	319	312
Property and equipment, net	378	461
Operating lease right-of-use asset	607	816
Security deposit	160	160
Total assets	1,464	1,749
Current liabilities
Accounts payable and accrued expenses (including $223 and $226 due to related party, respectively)	2,625	2,758
Accrued interest (including $2,076 and $1,145 due to related party, respectively)	2,598	1,471
Customer advances	447	454
Notes payable, current portion	119	92
Convertible notes payable, current portion-past due	1,508	1,403
Convertible note payable-related party-past due	3,020	3,000
Operating lease liability, current portion	238	207
Derivative warrant liability		9
Total current liabilities	15,187	14,026
Notes payable, net of current portion	286	256
Operating lease liability, net of current portion	423	660
Total liabilities	22,984	22,007
Commitments and contingencies
Shareholders’ deficit
Common stock: $0.0001 par value; 150,000,000 shares authorized; 104,591,648 and 94,648,346 issued and outstanding at February 29, 2024 and February 28, 2023, respectively.	10	9
Additional paid-in capital	457,460	454,507
Accumulated deficit	(478,990)	(474,774)
Total shareholders’ deficit	(21,520)	(20,258)
Total liabilities and shareholders’ deficit	1,464	1,749
Related Party
Current liabilities
Notes payable-related parties, current portion (includes $700 past due)	4,632	4,632
Note payable-related party, net of current portion	$ 7,088	$ 7,065