11. INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Allowance for doubtful accounts	$ 353	$ 10
Net operating loss	4,249	5,801
Share-based compensation	990	523
Investment in joint venture	4,700	3,565
Other	122	36
Total deferred tax assets	10,414	9,935
Deferred tax liabilities:
Depreciation and amortization on property, plant and equipment	(2,360)	(1,966)
Amortization of intangibles	(41)	(830)
Total deferred tax liabilities	(2,401)	(2,796)
Less: valuation allowance	(8,013)	(7,139)
Net deferred tax position