Property and Equipment
 9 Months Ended
Nov. 30, 2017
Notes to Financial Statements  
Note 3. Property and Equipment
    Estimated              
    Useful     November 30,     February 28,  
    Life     2017     2017  
    (years)              
                   
Machinery and Equipment   5 - 7     $ 1,845,256     $ 1,590,187  
Office equipment and furniture   5 - 8       166,877       131,607  
Leasehold improvements   3       382,347       342,419  
                         
              2,394,480       2,064,213  
Less: accumulated depreciation             (734,699 )     (497,244 )
Property and equipment, net           $ 1,659,781     $ 1,566,969  

 

Depreciation expense amounted to $82,859 and $86,349 for the three months ended November 30, 2017 and 2016, respectively and to $233,332 and $242,712 for the nine months ended November 30, 2017 and 2016, respectively.