XML 34 R28.htm IDEA: XBRL DOCUMENT v2.4.1.9
Buildings, Equipment, Furnishings and Leasehold Improvements (Tables)
12 Months Ended
Feb. 28, 2015
Property, Plant and Equipment [Abstract]  
Equipment, furnishings and leasehold improvements
   February 28, 
   2015   2014 
Buildings  $2,250,000   $2,250,000 
Laboratory equipment   778,336    708,899 
Machinery and equipment   753,279    646,983 
Leasehold improvements   308,722    228,860 
Tradeshow and demonstration equipment   999,758    999,758 
Furniture and fixtures   754,103    674,489 
Totals   5,844,198    5,508,988 
Less:  accumulated depreciation   (3,167,162)   (2,799,975)
   $2,677,036   $2,709,013