Property and Equipment
 3 Months Ended
May 31, 2017
Notes to Financial Statements  
Note 3. Property and Equipment
    Estimated              
    Useful     May 31,     February 28,  
    Life     2017     2017  
    (years)              
                   
Machinery and Equipment   5 - 7     $ 1,591,327     $ 1,590,187  
Office equipment and furniture   5 - 8       141,124       131,607  
Leasehold improvements   3       356,662       342,419  
                       
            2,089,113       2,064,213  
Less: accumulated depreciation           (570,346 )     (497,244 )
Property and equipment, net         $ 1,518,767     $ 1,566,969  

 

Depreciation expense for the three months ended May 31, 2017 and 2016 was $74,592 and $93,921, respectively.