Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income (loss)	$ 295,292	$ (232,869)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Deferred income taxes	80,547	(61,917)
Depreciation and amortization	12,274	15,944
Amortization of right of use assets	49,786	47,885
Provision (recovery of) for inventory obsolescence	1,004	(25,048)
Non-cash stock-based compensation	3,269	6,235
Changes in assets and liabilities:
Increase in accounts receivable	(336,663)	(323,287)
(Increase) decrease in inventories	(21,600)	149,617
Decrease (increase) in prepaid expenses & other assets	573,177	(155,078)
(Decrease) in accounts payable	(9,360)	(238,854)
Increase in accrued payroll, vacation pay and payroll taxes	64,416	14,243
(Decrease) increase in deferred revenues	(32,501)	19,428
(Decrease) in operating lease liabilities	(49,786)	(47,885)
(Decrease) in other long term liabilities	(1,978)	0
Increase in accrued expenses - other	8,150	171,503
Increase in accrued legal damages	70,245	51,920
Net cash provided by (used in) operating activities	706,272	(608,163)
Cash flows from investing activities:
Purchases of equipment	(13,983)	(11,733)
Net cash used in investing activities	(13,983)	(11,733)
Cash flows from financing activities:
Payment of dividends		(80,000)
Net cash used in financing activities		(80,000)
Net increase (decrease) in cash and restricted cash	692,289	(699,896)
	5,850,481	6,960,740
Supplemental cash flow information:
Taxes paid	0	0
Interest paid	13,455	0
	6,542,770	6,260,844
Beginning of period
Cash	3,839,398	4,949,690
Restricted cash	2,011,083	2,011,050
End of period
Cash	4,531,637	4,249,794
Restricted cash	$ 2,011,133	$ 2,011,050