CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 9,559	$ 16,552
Bank acceptance notes (Note 6)	2,138
Due from Zhenfa (Note 18)	2,102
Accounts receivable, trade, less allowances for doubtful accounts of $794 and $833 in 2015 and 2014, respectively	6,578	12,057
Inventories, net	5,916	8,248
Income tax receivable	8,252	8,252
Prepaid expenses	1,376	1,789
Deferred tax assets	72	72
Other current assets	2,853	2,283
Total current assets	38,846	49,253
Property, plant and equipment, net	11,236	20,195
Assets held for sale (Note 9)	8,500
Other long-term assets	155	354
Total assets	58,737	69,802
CURRENT LIABILITIES
Accounts payable	3,135	2,653
Accrued liabilities (Note 10)	4,316	2,780
Income taxes payable	1,904	1,865
Other current liabilities		204
Total current liabilities	9,355	7,502
Deferred tax liabilities	72	72
Other long-term liabilities		4,505
Total liabilities	$ 9,427	$ 12,079
COMMITMENTS AND CONTINGENCIES (Note 11)
Stockholders' Equity
Preferred stock, $0.01 par value, 20,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.01 par value, 200,000,000 shares authorized; 18,260,347 and 18,259,107 issued and outstanding, respectively, in 2015 and 18,074,291 and 18,073,051 issued and outstanding, respectively, in 2014	$ 181	$ 181
Treasury stock, 1,240 shares at cost	(57)	(57)
Additional paid-in capital	230,770	230,276
Accumulated deficit	(176,272)	(168,618)
Accumulated other comprehensive loss, net	(5,312)	(4,059)
Total stockholders' equity	49,310	57,723
Total liabilities and stockholders' equity	$ 58,737	$ 69,802