Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Mar. 31, 2021
Current assets:
Cash	$ 5,288,810	$ 3,485,275
Accounts receivable, net	1,385,384	1,933,321
Inventories, net	2,748,275	3,437,989
Restricted cash to support appeal bond	2,011,050	2,011,050
Prepaid expenses and other current assets	286,507	263,067
Total current assets	11,720,026	11,130,702
Equipment and leasehold improvements, net	127,322	200,769
Operating lease right-of-use assets	1,768,343	1,922,805
Deferred tax asset, net	2,396,594	2,675,040
Other long-term assets	35,108	35,110
Total assets	16,047,393	15,964,426
Current liabilities:
Operating lease liabilities – current portion	192,487	201,883
Accounts payable	438,569	906,149
Deferred revenues - current portion	123,615	150,709
Accrued expenses ‐vacation pay, payroll and payroll withholdings	376,073	457,232
Accrued legal damages	6,045,924	5,889,023
Accrued expenses - other	220,115	365,975
Total current liabilities	7,396,783	7,970,971
Operating lease liabilities – long-term	1,575,856	1,720,921
Long term debt - PPP	0	722,577
Deferred revenues – long-term	307,578	332,428
Total liabilities	9,280,217	10,746,897
Commitments and contingencies
Stockholders’ equity:
Preferred stock
Common stock, 7,000,000 shares authorized, par value $0.10 per share, 3,255,887 shares issued and outstanding, respectively	325,586	325,586
Additional paid-in capital	7,098,468	7,318,620
Accumulated deficit	(5,500,243)	(7,270,042)
Total stockholders’ equity	6,767,176	5,217,529
Total liabilities and stockholders’ equity	16,047,393	15,964,426
Series A Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	3,695,998	3,695,998
Series B Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	$ 1,147,367	$ 1,147,367