Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net (loss) income	$ 799	$ (500)
Adjustments to reconcile net (loss) income to cash provided by operating activities:
Depreciation and amortization	2,241	1,758
Provision for obsolete inventories	4,105	2,098
Deferred income tax	(1,180)	(285)
Stock-based compensation	10
Changes in operating assets and liabilities
Accounts receivable	23,487	30,037
Inventories	5,541	7,443
Value added tax receivable	1,236	799
Other receivables and prepaid expenses	(543)	(3,163)
Advances on inventory purchases	(1,730)	2,196
Amounts due from related parties	(495)	552
Accounts payable	(11,762)	(19,781)
Accounts payable and other payables- related parties	(1,527)	(517)
Other payables and accrued liabilities	(1,794)	(2,484)
Value added and other taxes payable	(2,713)	(1,653)
Income tax payable	(755)	(1,693)
Net cash provided by operating activities	14,920	14,807
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(1,209)	(1,633)
Proceeds from sale of property and equipment	5
Net cash used in investing activities	(1,204)	(1,633)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from bank loans	15,671	23,593
Repayment of bank loans	(12,913)	(26,250)
Repayment of loans from related party		917
Advances to related party	(1,742)
Net cash provided by (used in) financing activities	1,016	(1,740)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	80	503
NET INCREASE IN CASH AND CASH EQUIVALENTS	14,812	11,937
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	45,288	22,702
CASH AND CASH EQUIVALENTS AT END OF PERIOD	60,100	34,639
Cash paid during the period for:
Interest	327	597
Income taxes	$ 1,853	$ 2,851