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Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]    
Revenue $ 12,330,687 $ 13,212,314
Cost of revenue 10,355,839 10,743,764
Gross profit 1,974,848 2,468,550
Operating expenses:    
Selling expenses 3,216,512 3,460,596
General and administrative expenses 1,949,921 2,019,949
Research and development expenses 172,384 90,474
Bad debt expense 604,388 1,393,576
Impairment of long term assets 6,479,057 14,183,969
Total operating expenses 12,422,262 21,148,564
Loss from operations (10,447,414) (18,680,014)
Other income (expense):    
Interest income 38,516 64,414
Interest expense (451,258) (539,334)
Net other expense (412,742) (474,920)
Loss before income taxes (10,860,156) (19,154,934)
Income tax benefit (expense) 109,989 (122,631)
Net loss (10,750,167) (19,277,565)
Other comprehensive income - foreign currency translation adjustment (2,122,360) 3,439,733
Comprehensive income (loss) $ (12,872,527) $ (15,837,832)
Loss per share:    
Basic and diluted $ (0.25) $ (0.44)
Weighted average shares outstanding 43,579,557 43,579,557