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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
OPERATING ACTIVITIES    
Net income $ 2,172,916 $ 14,433
Adjustments to reconcile net income to net cash used in operating activities::    
(Reversal of) provision for losses on accounts receivable and other current assets (94,852) 151,784
Provision for obsolete inventories 32,526 164,783
Depreciation 1,508,141 920,710
Amortization of intangible assets 430,462 406,711
Loss (Gain) on sale of property and equipment 4,402 (436)
Loss on disposal of inventories 103,965
Stock-based payments for consulting services 22,357
Stock-based compensation 289,912 247,098
Change in fair value of warrants liability (3,720)
Changes in operating assets and liabilities, net of effects of business acquisitions and dispositions:    
Accounts receivable (1,766,056) (1,825,534)
Accounts receivable from related party and its affiliates (2,701,918)
Inventories (40,053) (521,544)
Other receivables and prepaid expenses 2,250,035 1,832,397
Advances to suppliers 200,066 (716,846)
Other payables and accrued expenses 302,020 (878,520)
Advances from customers 41,586 806,613
Advances from customers from related party and its affiliates (981,656)
Amounts due to related parties (1,134,913)
Accounts payable 1,381,380 303,534
Income tax payable (1,287,011) (1,045,500)
Net cash provided (used) in operating activities 629,344 (40,072)
INVESTING ACTIVITIES    
Proceeds from sale of property and equipment 598 436
Purchases of property and equipment (400,551) (244,906)
Net cash used in investing activities (399,953) (244,470)
FINANCING ACTIVITIES    
Borrowings under short-term loans 1,099,113 1,018,063
Proceeds from issuance of ordinary shares in connection with cash exercise of stock options 46,527
Repayment of short-term loans (1,519,917) (2,200,762)
Net cash used in financing activities (374,277) (1,182,699)
Effect of exchange rate changes on cash and cash equivalents (72,048) 42,731
NET DECREASE IN CASH AND CASH EQUIVALENTS (216,934) (1,424,510)
CASH AND CASH EQUIVALENTS, BEGINNING 3,260,808 3,752,375
CASH AND CASH EQUIVALENTS, ENDING 3,043,874 2,327,865
Cash paid during the year    
Income taxes 623
Interest $ 244,455 $ 225,140