CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (20,055)	$ (24,373)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Stock-based employee compensation	74	224
Depreciation and amortization	6,769	6,844
Amortization of distribution agreement	1,440	1,440
Provision for doubtful accounts	2,416	236
Changes in inventory reserve	(84)	(170)
Impairment loss of long-lived assets	1,082	5,596
(Gain) loss from disposal of equipment	(23)	87
Deferred tax provision	0	301
Amortization of debt discount	0	513
Changes in assets and liabilities:
Accounts receivable	756	2,709
Notes receivable	80	102
Inventories	288	(603)
Due from related parties	21	3,466
Prepaid expenses and other assets	164	333
Accounts payable	635	(2,116)
Accrued liabilities	1,583	(1,205)
Taxes payable	545	(425)
Advances from customers	659	1,935
Due to related parties	1,934	5,542
Other payables	(871)	(287)
Net cash (used in) provided by operating activities	(2,587)	149
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of property and equipment	(1,020)	(1,114)
Proceeds from disposal of equipment	23	56
Net cash flows used in investing activities	(997)	(1,058)
CASH FLOWS FROM FINANCING ACTIVITIES
Change in restricted cash	1,164	$ 26
Repayment of convertible bonds	(100)
Repurchase of common stock	(407)
Proceeds from issuance of common stock	6,167	$ 1,900
Proceeds from notes payable	14,112	33,964
Proceeds from short term loans	2,248	13,267
Proceeds of convertible bonds	786	(500)
Repayments of notes payable	(14,349)	(31,826)
Payments on short term loans	(6,157)	(18,297)
Net cash provided by (used in) financing activities	3,464	(1,466)
Effect of exchange rate changes on cash and cash equivalents	(58)	(16)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(178)	(2,391)
CASH AND CASH EQUIVALENTS, beginning of year	238	2,629
CASH AND CASH EQUIVALENTS, end of year	60	238
Supplemental disclosure of cash flow information:
Cash paid during year for interest	$ 810	1,778
Cash paid during year for income taxes		2
Non-cash transaction:
Issuance of stocks for service or settlements	$ 1,687	$ 11,244