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Consolidated Statements of Operations and Comprehensive Loss - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]    
Revenues $ 37,841,277 $ 25,743,612
Cost of revenues 29,188,108 19,329,831
Gross profit 8,653,169 6,413,781
Operating expense:    
General and administrative expenses 14,978,079 13,189,879
Research and development 671,653 465,940
Total operating expense 15,649,732 13,655,819
Loss from operations (6,996,563) (7,242,038)
Other income (expense):    
Interest expense, net (841,788) (635,445)
Other income, net 68,109 200,589
Gain on settlement of liabilities, net 165,378 276,026
Change in fair value of derivative liabilities 426,981 861,302
Total other income (expense) (181,320) 702,472
Net loss (7,177,883) (6,539,566)
Comprehensive loss:    
Net loss (7,177,883) (6,539,566)
Other comprehensive loss:    
Foreign currency translation loss (58,571) (34,930)
Total comprehensive loss $ (7,236,454) $ (6,574,496)
Net loss per common share - basic and diluted $ (0.72) $ (1.20)
Weighted average number of common shares outstanding - basic and diluted 9,922,042 5,455,161