Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2021	Mar. 31, 2021
Current assets:
Cash	$ 4,758,819	$ 3,485,275
Accounts receivable, net	1,318,276	1,933,321
Inventories, net	3,051,343	3,437,989
Restricted cash to support appeal bond	2,011,050	2,011,050
Prepaid expenses and other current assets	259,556	263,067
Total current assets	11,399,044	11,130,702
Equipment and leasehold improvements, net	169,388	200,769
Operating lease right-of-use assets	1,867,505	1,922,805
Deferred tax asset, net	2,521,926	2,675,040
Other long-term assets	35,109	35,110
Total assets	15,992,972	15,964,426
Current liabilities:
Operating lease liabilities – current portion	194,469	201,883
Accounts payable	384,559	906,149
Deferred revenues – current portion	154,382	150,709
Accrued expenses ‐- vacation pay, payroll and payroll withholdings	542,074	457,232
Accrued legal damages	5,940,943	5,889,023
Accrued expenses - other	331,848	365,975
Total current liabilities	7,548,275	7,970,971
Operating lease liabilities – long-term	1,673,036	1,720,921
Long Term Debt - PPP	722,577	722,577
Deferred revenues – long-term	329,886	332,428
Total liabilities	10,273,774	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	7,244,788	7,318,620
Accumulated deficit	(6,694,541)	(7,270,042)
Total stockholders’ equity	5,719,198	5,217,529
Total liabilities and stockholders’ equity	15,992,972	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