LINE OF CREDIT, SHORT TERM DEBT AND BANK ACCEPTANCE NOTES (Schedule of Bank Acceptance Notes) (Details) - USD ($) $ in Thousands					1 Months Ended	6 Months Ended
		Apr. 14, 2016	Apr. 13, 2016	Mar. 25, 2016	Apr. 26, 2016	Jun. 30, 2016	Dec. 31, 2015
Short-term Debt [Line Items]
Bank acceptance notes payable						$ 13,049	$ 14,366
Notes Payable to Banks [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable						13,000
Restricted cash deposit						$ 10,800
Notes Payable to Banks [Member] | Minimum [Member]
Short-term Debt [Line Items]
Required cash deposit						50.00%
Notes Payable to Banks [Member] | Maximum [Member]
Short-term Debt [Line Items]
Required cash deposit						100.00%
China Everbright Bank [Member]
Short-term Debt [Line Items]
Ending maturity date						Dec. 31, 2016
Collateral amount						$ 2,000
Required cash deposit						50.00%
China Everbright Bank [Member] | Notes Payable to Banks [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	[1]					$ 6,020	7,086
CITIC Bank [Member]
Short-term Debt [Line Items]
Beginning maturity date						Jul. 01, 2016
Ending maturity date						Sep. 30, 2016
Required cash deposit						100.00%
Maturity date		Apr. 14, 2017	Apr. 13, 2017	Mar. 25, 2017	Apr. 26, 2017
CITIC Bank [Member] | Notes Payable to Banks [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	[2]					$ 7,029	6,428
Shanghai Pudong Development Bank [Member]
Short-term Debt [Line Items]
Beginning maturity date						Jan. 01, 2016
Ending maturity date						May 31, 2016
Required cash deposit						100.00%
Shanghai Pudong Development Bank [Member] | Notes Payable to Banks [Member]
Short-term Debt [Line Items]
Bank acceptance notes payable	[3]						$ 852

[1] Notes payable to China Everbright bank have various maturity dates in December 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 July to September, 2016. 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 was due in January and May, 2016. The Company was required to maintain cash deposits at 100% of the notes payable with the bank. The note payable was fully repaid upon due date.