CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)	Nov. 30, 2022	May 31, 2022
Current Assets:
Cash and cash equivalents	$ 5,066,521	$ 5,916,983
Accounts receivable, less allowance for doubtful accounts of $522,234 and $153,231 as of November 30, 2022 and May 31, 2022, respectively	850,014	773,818
Inventories, net of inventory reserves of $773,916 and $845,549 as of November 30, 2022 and May 31, 2022, respectively	2,061,444	2,416,447
Prepaid expenses and other	120,721	320,283
Total current assets	8,098,700	9,427,531
Property and equipment, net of accumulated depreciation and amortization of $1,317,141 and $1,305,360 as of November 30, 2022 and May 31, 2022, respectively	236,719	214,487
Right of use assets, net of accumulated amortization of $859,269 and $724,802 as of November 30, 2022 and May 31, 2022, respectively	1,169,456	1,301,834
Investments	165,324	165,324
Intangible assets, net of accumulated amortization of $24,327 and $18,994 as of November 30, 2022 and May 31, 2022, respectively	157,694	169,516
Other assets	79,654	95,588
Total Assets	9,907,547	11,374,280
Current Liabilities:
Accounts payable and accrued expenses	670,074	972,372
Accrued compensation	697,179	646,944
Advance from customers	49,013	50,670
Lease liability, current portion	346,937	341,296
Total current liabilities	1,763,203	2,011,282
Lease liability, net of current portion	901,449	1,038,284
Total Liabilities	2,664,652	3,049,566
Commitments and contingencies (Notes 5 and 6)
Common stock, $0.08 par value, 25,000,000 shares authorized, 13,479,413 and 12,867,924 issued and outstanding at November 30, 2022 and May 31, 2022, respectively	1,078,353	1,029,432
Additional paid-in-capital	45,035,298	42,446,597
Accumulated other comprehensive loss	(95,413)	(73,936)
Accumulated deficit	(38,775,343)	(35,077,379)
Total Shareholders' Equity	7,242,895	8,324,714
Total Liabilities and Shareholders' Equity	$ 9,907,547	$ 11,374,280