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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

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