Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	May 31, 2018	May 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 21,430	$ 15,869
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	80,893	101,808
Stock based compensation expense	8,900	10,469
Inventory reserve	18,000	27,000
Unrealized loss on marketable securities	49,061
Decrease (Increase) in:
Accounts receivable	(198,504)	(136,070)
Inventories	(89,372)	63
Prepaid expenses and other current assets	4,773	36,720
(Decrease) Increase in:
Accounts payable and accrued expenses	(290,133)	21,486
Customer deposits	2,895	268,176
Income taxes payable	17,564	12,563
Net Cash (Used In) Provided by Operating Activities	(374,493)	358,084
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment and furnishings	(101,634)	(39,704)
Sale (Purchase) of marketable securities	40,093	(537,265)
Net Cash (Used in) Investing Activities	(61,541)	(576,969)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of notes payable and loans	(38,678)	(37,135)
Net Cash (Used In) Financing Activities	(38,678)	(37,135)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(474,712)	(256,020)
CASH AND CASH EQUIVALENTS
Beginning of period	2,016,464	2,557,223
End of period	1,541,752	2,301,203
SUPPLEMENTAL DISCLOSURE:
Interest paid	$ 10,614	$ 12,213