Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Details)

v3.8.0.1
Accounts Receivable (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Accounts Receivable [Abstract]    
Accounts receivable $ 13,080,050 $ 11,575,284
Less: allowance for doubtful accounts (67,379) (252,558)
Accounts receivable, net $ 13,012,671 $ 11,322,726