Buildings, Equipment, Furnishings and Leasehold Improvements (Tables)

12 Months Ended

Feb. 28, 2014

Property, Plant and Equipment [Abstract]

Equipment, furnishings and leasehold improvements

	February 28,
	2014			2013
Buildings	$	2,250,000		$	2,250,000
Laboratory equipment		708,899			651,562
Machinery and equipment		646,983			639,102
Leasehold improvements		228,860			207,979
Tradeshow and demonstration equipment		999,758			908,819
Furniture and fixtures		674,489			654,151
Totals		5,508,988			5,311,613
Less:  accumulated depreciation		(2,799,975	)		(2,494,337	)
	$	2,709,013		$	2,817,276