Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Research and development expenses (Tables)

v3.19.1
Research and development expenses (Tables)
12 Months Ended
Dec. 31, 2018
Research and Development Expenses [Abstract]  
Schedule of research and development expense
    December 31,
2018
    December 31,
2017
    December 31,
2016
 
Labour   $ 3,581,970     $ 1,971,945     $ 1,715,562  
Materials     3,393,295       2,763,355       1,266,730  
Government grants     (1,409,229 )     (304,914 )     (203,997 )
    $ 5,566,036     $ 4,430,386     $ 2,778,295