Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net less	$ (5,089)	$ (1,170)
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	2,147	1,377
Loss from sale of property and equipment	52	102
Loss on deconsolidation of a subsidiary
Provision of (recovering from) bad debt allowance	298	(196)
Provision for obsolete inventories	3,759	3,583
Changes in fair value of trading securities	(283)	(262)
Changes in fair value of investment	479	28
Deferred income tax	701	17
Stock-based compensation	5	5
Changes in operating assets and liabilities
Accounts receivable	14,815	6,509
Inventories	(4,680)	6,805
Value added tax receivable	405	52
Other receivables and prepaid expenses	(278)	(367)
Advances on inventory purchases	3,150	2,544
Amounts due from related parties	(1,089)	(71)
Accounts payable	(16,838)	(14,690)
Accounts payable and other payables- related parties	226	(769)
Other payables and accrued liabilities	(6,252)	(3,221)
Value added and other taxes payable	(1,067)	(220)
Income tax payable	165	(358)
Net cash (used in) operating activities	(9,374)	(302)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(2,507)	(1,378)
Net purchase (proceeds from) of trading securities	569	(983)
Investment payment	(788)
Net cash used in investing activities	(2,726)	(2,361)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from bank loans	12,600	12,336
Repayment of bank loans	(12,600)	(6,168)
Repurchase of common stock	(37)
Net collection of amounts due from related party (equity)		148
Net cash (used in) provided by financing activities	(37)	6,316
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(962)	(1,660)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(13,099)	1,993
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	97,341	121,723
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	84,242	123,716
Reconciliation of cash, cash equivalents and restricted cash reported within their consolidated balance sheets:
Cash and Cash Equivalents	41,717	78,056
Restricted cash	42,525	45,660
Total	84,242	123,716
Cash paid during the period for:
Interest	613	492
Income taxes	$ 1,112	$ 729