LINE OF CREDIT, SHORT TERM DEBT AND BANK ACCEPTANCE NOTES (Schedule of Bank Acceptance Notes) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Oct. 31, 2014	Aug. 31, 2014	Jul. 31, 2014
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 16,906	$ 17,747
Everbright Bank [Member]
Short-term Debt [Line Items]
Collateral amount					$ 2,000
Face amount					$ 1,200
Taizhou Bank [Member]
Short-term Debt [Line Items]
Face amount			$ 810	$ 300
CITIC [Member]
Short-term Debt [Line Items]
Collateral amount	5,100
Face amount		1,000
Bank acceptance notes [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	16,900
Restricted cash deposit	$ 8,400
Bank acceptance notes [Member] | Minimum [Member]
Short-term Debt [Line Items]
Required cash deposit	50.00%
Bank acceptance notes [Member] | Maximum [Member]
Short-term Debt [Line Items]
Required cash deposit	100.00%
Bank acceptance notes [Member] | Everbright Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 7,228	11,372
Collateral amount	$ 2,000
Required cash deposit	50.00%
Maturity date	Dec. 31, 2015
Bank acceptance notes [Member] | Taizhou Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 477	651
Required cash deposit	100.00%
Maturity date	Dec. 31, 2015
Bank acceptance notes [Member] | CITIC [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 8,757	$ 5,724
Beginning maturity date	Jul. 01, 2015
Ending maturity date	Mar. 31, 2016
Required cash deposit	100.00%
Credit exposure	$ 4,900
Bank acceptance notes [Member] | Shanghai Pudong Development Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 287
Required cash deposit	100.00%
Maturity date	Oct. 31, 2015
Bank acceptance notes [Member] | China Merchants Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	$ 157
Beginning maturity date	Sep. 01, 2015
Ending maturity date	Oct. 31, 2015
Required cash deposit	100.00%