Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2022	Mar. 31, 2022
Current assets:
Cash	$ 4,249,794	$ 4,949,690
Accounts receivable, net of allowance for doubtful accounts of $7,425, respectively	1,372,327	1,049,040
Inventories, net	2,695,928	2,820,497
Restricted cash to support appeal bond	2,011,050	2,011,050
Prepaid expenses and other current assets	399,118	244,040
Total current assets	10,728,217	11,074,317
Equipment and leasehold improvements, net	111,127	115,338
Operating lease right-of-use assets	1,673,036	1,720,921
Deferred tax asset, net	2,561,504	2,499,587
Other long-term assets	35,109	35,109
Total assets	15,108,993	15,445,272
Current liabilities:
Operating lease liabilities – current portion	196,271	194,370
Accounts payable	167,426	406,489
Deferred revenues - current portion	170,575	119,835
Accrued expenses ‐vacation pay, payroll and payroll withholdings	424,781	410,538
Accrued legal damages	6,149,193	6,097,273
Accrued expenses - other	345,857	174,145
Total current liabilities	7,454,103	7,402,650
Operating lease liabilities – long-term	1,476,765	1,526,551
Deferred revenues – long-term	257,759	289,071
Total liabilities	9,188,627	9,218,272
Commitments and contingencies
Stockholders’ equity:
Preferred stock
Common stock, 7,000,000 shares authorized, par value $0.10 per share, 3,255,887 and 3,255,887 shares issued and outstanding, respectively	325,586	325,586
Additional paid-in capital	6,944,588	7,018,353
Accumulated deficit	(6,193,173)	(5,960,304)
Total stockholders’ equity	5,920,366	6,227,000
Total liabilities and stockholders’ equity	15,108,993	15,445,272
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