Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2024	Mar. 31, 2024
Current assets:
Cash	$ 149,550	$ 132,013
Accounts receivable, net	1,763,680	1,110,548
Inventories, net	5,208,229	5,411,644
Prepaid expenses and other current assets	213,024	214,161
Total current assets	7,334,483	6,868,366
Equipment and leasehold improvements, net	64,165	73,195
Operating lease right-of-use assets	1,272,700	1,324,463
Deferred tax asset, net	2,439,427	2,450,657
Other long-term assets	35,109	35,109
Total assets	11,145,884	10,751,790
Current liabilities:
Accounts payable	1,242,906	1,276,935
Accrued expenses ‐vacation pay, payroll and payroll withholdings	265,948	248,713
Deferred revenues - current portion	57,778	72,803
Operating lease liabilities – current portion	204,064	210,111
Accrued expenses - other	179,748	120,027
Line of credit	1,000,000	690,000
Promissory notes – related parties	80,500	0
Total current liabilities	3,030,944	2,618,589
Operating lease liabilities – long-term	1,068,636	1,114,352
Other long term liabilities	43,524	45,501
Deferred revenues – long-term	104,963	119,721
Total liabilities	4,248,067	3,898,163
Commitments and contingencies	0	0
Stockholders’ equity:
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	6,286,607	6,379,085
Accumulated deficit	(5,964,710)	(6,006,958)
Total stockholders’ equity	6,897,817	6,853,627
Total liabilities and stockholders’ equity	11,145,884	10,751,790
Series A Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	4,175,998	4,115,998
Series B Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	1,732,701	1,704,701
Series C Preferred Stock [Member]
Stockholders’ equity:
Preferred stock	$ 341,635	$ 335,215