LINE OF CREDIT, SHORT TERM DEBT AND BANK ACCEPTANCE NOTES (Schedule of Short-Term Debt) (Details) - USD ($) $ in Thousands	1 Months Ended											12 Months Ended
	Nov. 30, 2015	Oct. 31, 2015	Jul. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Nov. 30, 2014	Sep. 30, 2014	Aug. 31, 2014	Jul. 31, 2014	Jun. 30, 2014	Apr. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Oct. 31, 2014
Short-term Debt [Line Items]
Short term debt												$ 7,702	$ 9,849
Repayment of short term loans												6,157	18,297
CITIC [Member]
Short-term Debt [Line Items]
Short term debt												3,081	976
Face amount		$ 3,000
Interest rate		5.90%
Collateral amount												4,900
ICBC [Member]
Short-term Debt [Line Items]
Short term debt												4,621	6,484
Face amount	$ 1,100	$ 1,400	$ 1,100	$ 300	$ 800	$ 1,100	$ 800	$ 1,100		$ 1,100	$ 800			$ 1,500
Term	1 year	1 year	1 year	1 year	1 year	1 year	6 months	1 year		1 year	1 year
Interest rate	6.10%	6.40%	6.70%	5.92%	5.40%	6.60%	5.04%	6.92%		6.26%	6.00%			6.60%
Collateral amount												3,200
Restricted cash deposit												$ 800
Repayment of short term loans					$ 800
Required cash deposit											100.00%
Taizhou Bank [Member]
Short-term Debt [Line Items]
Short term debt													$ 1,139
Face amount								$ 300						$ 810
Interest rate								8.93%						8.496%
Weighted average interest rate												6.40%	7.00%
China Everbright Bank
Short-term Debt [Line Items]
Short term debt													$ 1,220
Face amount									$ 1,200
Term									11 months
Interest rate									7.20%
Collateral amount									$ 2,000
Insurance Premiums [Member]
Short-term Debt [Line Items]
Short term debt													$ 30