Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Feb. 29, 2012	Feb. 28, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 1,432,293	$ 593,945
Depreciation and amortization	329,501	312,823
Stock based compensation expense	48,600	49,278
Allowance for doubtful accounts		10,000
(Increase) Decrease in:
Accounts receivable	221,734	(11,910)
Inventories	(690,984)	(110,991)
Prepaid expenses and other current assets	25,554	(73,629)
Deferred tax asset	(86,167)
(Decrease) Increase in:
Accounts payable and accrued expenses	(68,121)	89,002
Customer deposits	(57,331)	299,623
Income taxes payable	37,250
Net Cash Provided by Operating Activities	1,192,329	1,158,141
CASH FLOW FROM INVESTING ACTIVITIES:
Purchase of equipment, furnishings and leasehold improvments	(474,041)	(195,035)
Purchase of land, buildings and improvements		(2,539,716)
Purchase of marketable securities	(4,887)	(249,100)
Patent application costs	(12,230)	(9,442)
Net Cash (Used In) Investing Activities	(491,158)	(2,993,293)
CASH FLOW FROM FINANCING ACTIVITIES:
Proceeds from exercise of options	10,044	2,960
Proceeds from note payable		2,100,000
Proceeds from note payable - bank	237,000
Repayment of line of credit - bank		(350,000)
Repayment of long-term debt	(100,327)	(21,523)
Net Cash Provided by Financing Activities	146,717	1,731,437
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	847,888	(103,715)
CASH AND CASH EQUIVALENTS
Beginning of period	1,683,801	1,787,516
End of period	$ 2,531,689	$ 1,683,801