Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 70,514	$ (33,882)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	200,776	239,503
Stock based compensation expense	21,488	18,784
Inventory reserve	50,601	35,006
(Increase) Decrease in:
Accounts receivable	213,868	313,747
Inventories	(275,643)	61,190
Prepaid expenses and other current assets	28,857	49,597
Increase (Decrease) in:
Accounts payable and accrued expenses	220,863	(111,445)
Customer deposits	533,485	25,187
Income taxes payable	(2,813)	(8,202)
Net Cash Provided by Operating Activities	1,061,996	589,485
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment and furnishings	(42,917)	(159,680)
Purchase of marketable securities	(1,141,754)	(70,892)
Net Cash (Used in) Investing Activities	(1,184,671)	(230,572)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of notes payable and loans	(74,259)	(71,087)
Net Cash (Used In) Financing Activities	(74,259)	(71,087)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(196,934)	287,826
CASH AND CASH EQUIVALENTS
Beginning of period	2,557,223	2,388,355
End of period	2,360,289	2,676,181
SUPPLEMENTAL DISCLOSURE:
Interest paid	24,031	27,113
Taxes Paid	$ 58,969	$ 8,202