Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 5,653	$ 243
Accounts receivable-trade, net	598	794
Inventories, net	44	2
Unbilled receivables	1,219	592
Prepaid expenses and other current assets	282	151
Current portion of assets held for sale		14,912
Total current assets	7,796	16,694
Property, plant and equipment, net	500	598
Advances to and investments in foreign joint ventures	9,749	10,947
Other assets	99	116
Assets held for sale, less current portion		7,566
Total assets	18,144	35,921
Current liabilities:
Current portion of long-term note payable		270
Short-term note payable	199	203
Accounts payable and other accrued expenses	4,249	1,058
Accrued payroll and benefits	801	574
Current portion of liabilities held for sale		13,558
Total current liabilities	5,249	15,663
Long-term note payable, net		5,524
Deferred compensation	170	213
Total liabilities	5,419	21,400
Convertible preferred stock:
Redeemable convertible preferred stock, Series A, net of discount of $517 at September 30, 2018 and $562 at December 31, 2017; $0.001 par value, 1,000,000 shares authorized, issued and outstanding at September 30, 2018 and December 31, 2017	4,483	4,438
Stockholders’ equity:
Common stock; $0.001 par value, 50,000,000 shares authorized, 9,163,412 and 8,850,532 shares issued and 8,969,437 and 8,669,650 shares outstanding at September 30, 2018 and December 31, 2017	9	9
Treasury stock, at cost 193,975 and 180,882 shares at September 30, 2018 and December 31, 2017	(950)	(916)
Additional paid-in capital	14,628	13,811
Accumulated other comprehensive income	(644)	401
Accumulated Deficit; including accumulated statutory reserves in equity method investments of $2,809 at September 30, 2018 and December 31, 2017	(4,801)	(3,222)
Total stockholders’ equity	8,242	10,083
Total liabilities, convertible preferred stock and stockholders’ equity	$ 18,144	$ 35,921