LINE OF CREDIT, SHORT TERM DEBT AND BANK ACCEPTANCE NOTES (Schedule of Bank Acceptance Notes) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Dec. 31, 2015
Short-term Debt [Line Items]
Bank acceptance notes payable		$ 17,249	$ 14,366
Everbright Bank [Member]
Short-term Debt [Line Items]
Ending maturity date		Jun. 30, 2016
Collateral amount		$ 2,000
Required cash deposit		50.00%
CITIC [Member]
Short-term Debt [Line Items]
Beginning maturity date		Apr. 01, 2016
Ending maturity date		Sep. 30, 2016
Collateral amount		$ 2,100
Required cash deposit		100.00%
Shanghai Pudong Development Bank [Member]
Short-term Debt [Line Items]
Beginning maturity date		May 01, 2016
Ending maturity date		Jun. 30, 2016
Required cash deposit		100.00%
Bank acceptance notes [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable		$ 17,249	14,366
Restricted cash deposit		$ 11,600
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	[1]	$ 7,135	7,086
Bank acceptance notes [Member] | CITIC [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	[2]	9,345	6,428
Bank acceptance notes [Member] | Shanghai Pudong Development Bank [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	[3]	$ 769	$ 852

[1] Notes payable to China Everbright bank have various maturity dates in June 2016. The notes payable are guaranteed by a land use right and a building with a total carrying value of $2.0 million. The Company is also required to maintain cash deposits at 50% of the notes payable with the bank, in order to ensure future credit availability.

[2] Notes payable to CITIC bank will be due in April to September 2016. Except for the note payable utilizing credit exposure of $2.1 million, the Company is required to maintain cash deposits at 100% of the notes payable with the bank, in order to ensure future credit availability.

[3] Notes payable to Shanghai Pudong Development Bank will be due in May and June, 2016. The company is required to maintain cash deposits at 100% of the notes payable with the bank.