Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
CURRENT ASSETS
Cash and cash equivalents	$ 5,639	$ 13,499
Bank acceptance notes		904
Accounts receivable, trade, less allowances for doubtful accounts of $2,163 and $1,725 in 2018 and 2017, respectively	2,261	1,199
Inventories, net	1,808	1,110
Prepaid expenses	501	748
Other current assets	642	767
Total current assets	10,851	18,227
Property, plant and equipment, net	10,887	8,728
Assets held for sale (Note 7)	5,336	6,155
Other long-term assets	75	76
Total assets	27,149	33,186
CURRENT LIABILITIES
Accounts payable	2,218	971
Accrued liabilities	1,348	2,307
Income taxes payable	900	896
Due to factor	374	454
Total current liabilities	4,840	4,628
Deferred tax liabilities	306	698
Total liabilities	5,146	5,326
COMMITMENTS AND CONTINGENCIES (Note 10)
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; 20,153,269 and 20,152,029 issued and outstanding, respectively as of December 31, 2018 and 19,919,529 and 19,918,289 issued and outstanding, respectively as of December 31, 2017	201	195
Treasury stock, 1,240 shares at cost	(57)	(57)
Additional paid-in capital	232,345	232,149
Accumulated deficit	(204,832)	(199,072)
Accumulated other comprehensive loss, net of taxes	(5,654)	(5,355)
Total stockholders’ equity	22,003	27,860
Total liabilities and stockholders’ equity	$ 27,149	$ 33,186