Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Statement of Cash Flows [Abstract]
Net (loss) income	$ (317,610)	$ 1,769,799
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities
Deferred income taxes	(84,449)	278,447
Depreciation and amortization	39,553	78,225
Amortization of right of use assets	145,544	154,462
(Recovery of) provision for inventory obsolescence	(8,068)	25,000
Forgiveness of PPP Loan	0	(722,577)
Non-cash stock-based compensation	18,703	19,848
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	(221,313)	547,937
(Increase) decrease in inventories	(482,594)	664,714
(Increase) in prepaid expenses & other assets	(723,572)	(23,440)
Decrease (increase) in accounts payable and other accrued liabilities	252,887	(613,440)
Decrease in accrued payroll, vacation pay and payroll taxes	(193,077)	(81,159)
Decrease in deferred revenues	(45,420)	(51,944)
Decrease in operating lease liabilities	(145,544)	(154,461)
Increase in accrued legal damages	193,953	156,901
Net cash (used in) provided by operating activities	(1,571,007)	2,048,312
Cash flows from investing activities:
Purchases of equipment	(6,136)	(4,777)
Net cash used in investing activities	(6,136)	(4,777)
Cash flows from financing activities:
Payment of dividends	(80,000)	(240,000)
Net cash used in financing activities	(80,000)	(240,000)
Net (decrease) increase in cash and restricted cash	(1,657,143)	1,803,535
	6,960,740	5,496,325
Taxes paid	0	0
Interest paid	0	0
	5,303,597	7,299,860
Cash	4,949,690	3,485,275
Restricted cash	2,011,050	2,011,050
Cash	3,292,547	5,288,810
Restricted cash	$ 2,011,050	$ 2,011,050