Condensed Balance Sheets (Unaudited) - USD ($)	Nov. 30, 2022	Feb. 28, 2022
Current assets
Cash and cash equivalents	$ 233,896	$ 150,217
Inventories	168,759	144,257
Prepaid and other current assets	182,329	255,453
Total current assets	584,984	549,927
Property and equipment, net	481,400	484,526
Operating lease right-of-use asset	864,359	1,000,467
Security deposit	159,595	159,595
Total assets	2,090,338	2,194,515
Current liabilities
Accounts payable (including $222,614 and $208,507 due to related party, respectively)	2,311,081	1,581,724
Accrued expenses (including $998,188 and $750,322 due to related party, respectively)	1,722,236	1,692,173
Customer advances	453,961	440,331
Notes payable, current portion	87,569	97,958
Convertible notes payable, current portion	1,402,971	1,402,971
Convertible note payable-related party	3,000,000	3,000,000
Notes payable-related parties, current portion	3,711,605	12,996,069
Operating lease liability, current portion	199,910	179,450
Derivative warrant liability	267,936	828,232
Total current liabilities	13,157,269	22,218,908
Notes payable, net of current portion	279,726	327,658
Note payable-related party, net of current portion	8,089,169
Operating lease liability, net of current portion	714,429	867,484
Total liabilities	22,240,593	23,414,050
Commitments and contingencies
Shareholders’ deficit
Common stock: $0.0001 par value; 150,000,000 shares authorized; 92,616,529 and 83,119,104 issued and outstanding at November 30, 2022 and February 28, 2022, respectively.	9,262	8,312
Additional paid-in capital	453,787,210	450,136,522
Accumulated deficit	(473,946,727)	(471,364,369)
Total shareholders’ deficit	(20,150,255)	(21,219,535)
Total liabilities and shareholders’ deficit	$ 2,090,338	$ 2,194,515