Property and Equipment
 6 Months Ended
Aug. 31, 2017
Notes to Financial Statements  
Note 3. Property and Equipment

    Estimated              
    Useful     August 31,     February 28,  
    Life     2017     2017  
    (years)              
                   
Machinery and Equipment   5 - 7     $ 1,796,015     $ 1,590,187  
Office equipment and furniture   5 - 8       158,242       131,607  
Leasehold improvements     3       388,670       342,419  
                         
              2,342,927       2,064,213  
Less: accumulated depreciation             (661,414 )     (497,244 )
Property and equipment, net           $ 1,681,513     $ 1,566,969  

 

Depreciation expense amounted to $75,880 and $65,596 for the three months ended August 31, 2017 and 2016, respectively and to $150,472 and $156,363 for the six months ended August 31, 2017 and 2016, respectively.