Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 1,120,642	$ 1,107,442
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	463,076	406,731
Stock based compensation expense	47,633	90,305
Bad debt expense		25,000
Inventory reserve	91,000	(77,098)
Deferred tax expense	(129,723)	36,707
(Increase) Decrease in:
Accounts receivable	(828,100)	443,190
Inventories	(305,790)	(646,777)
Prepaid expenses and other assets	2,382	241,307
(Decrease) Increase in:
Accounts payable and accrued expenses	763,269	1,063,730
Customer deposits	(482,149)	499,132
Income taxes payable	(17,054)	64,349
Net Cash Provided by Operating Activities	725,186	3,254,018
CASH FLOW FROM INVESTING ACTIVITIES:
Purchase of equipment, furnishings and leasehold improvements	(344,353)	(722,241)
Patent costs paid	(6,000)
Capital expenditure grant proceeds	100,000
Purchase of marketable securities	(344,230)	(1,853,534)
Net Cash (Used In) Investing Activities	(594,583)	(2,575,775)
CASH FLOW FROM FINANCING ACTIVITIES:
Proceeds from note payable - bank	1,001,640
Repayment of long term debt	(707,716)	(162,815)
Net Cash Provided By (Used In) Financing Activities	293,924	(162,815)
NET INCREASE IN CASH AND CASH EQUIVALENTS	424,527	515,428
CASH AND CASH EQUIVALENTS
Beginning of year	3,659,551	3,144,123
End of year	4,084,078	3,659,551
SUPPLEMENTAL CASH FLOW DISCLOSURE:
Interest paid	39,843	33,038
Income Taxes Paid	$ 374,004	$ 4,948