Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 801	$ 2,088
Restricted cash	216	231
Short-term investment		25,410
Accounts receivable, net	137	523
Amounts due from related parties	18,062	15,923
Notes receivable		74
Inventories	25,290	7,671
Prepaid expenses and other current assets	15,877	7,728
Deferred contract costs		3,454
Total current assets	60,383	63,102
Prepaid expenses, non-current	855	3,792
Property, plant and equipment, net	74,143	36,395
Patents, net		47
Long term receivable	3,136	4,138
Total assets	162,939	134,159
Current Liabilities
Trade accounts payable	16,723	7,107
Amounts due to related parties	82,239	25,459
Deferred revenues and customer deposit	443	3,776
Deferred income - grant incentives, current	536	551
Current portion of long term notes payable	6,974	25,564
Accrued expenses and current liabilities	5,801	3,518
Notes payable	750	44,973
Capital lease obligation, current portion	339
Total current liabilities	113,805	110,948
Long term notes payable, net of current portion	29,148	6,622
Other non-current liabilities	3,062	3,565
Deferred income - grant incentives, non-current	24,536	26,192
Net present value of capital lease obligation, net of current portion	8,804
Total liabilities	179,355	147,327
Commitments and contingencies
Stockholders' deficit:
Common stock, $0.001 par value, 200,000,000 shares authorized; 11,606,735 shares issued and outstanding at December 31, 2016 and 2015	12	12
Additional paid in capital	259,912	259,102
Accumulated deficit	(276,136)	(272,495)
Accumulated other comprehensive (loss) income	(204)	213
Total stockholders’ deficit	(16,416)	(13,168)
Total liabilities and stockholders’ deficit	162,939	134,159
Land Use Rights [Member]
Current assets:
Patents, net	24,422	26,685
Patents [Member]
Current assets:
Patents, net		$ 47