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
		Oct. 13, 2016	Oct. 12, 2016	Jun. 08, 2016	Jul. 28, 2016	Jul. 22, 2016	Jun. 22, 2016	Mar. 25, 2016	Oct. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Oct. 31, 2015
Short-term Debt [Line Items]
Short term debt										$ 10,442	$ 7,702
Repayment of short term loans										7,836	6,157
Citic Bank [Member]
Short-term Debt [Line Items]
Short term debt	[1]									5,328	3,081
Face amount								$ 5,300				$ 3,100
Term								1 year	6 months
Interest rate								5.96%				5.90%
Collateral amount								$ 4,400
Debt Instrument, Maturity Date									Apr. 30, 2016
Beginning maturity date								Mar. 25, 2017
Ending maturity date								Apr. 26, 2017
Industrial And Commercial Bank Of China [Member]
Short-term Debt [Line Items]
Short term debt	[2]									4,320	4,621
Face amount		$ 1,000	$ 1,300	$ 300		$ 1,000	$ 700			4,600
Term		1 year	1 year	1 year		1 year	1 year
Interest rate		5.00%	5.00%	5.00%		5.00%	4.40%
Collateral amount										4,300
Restricted cash deposit							$ 700			2,900
Hangzhou Hengzhong Machinery Ltd. [Member]
Short-term Debt [Line Items]
Short term debt	[3]									$ 794
Term					1 month
Interest rate					1.50%
Weighted average interest rate										5.80%	6.40%
Hangzhou Hengzhong Machinery Ltd. [Member] | Maximum [Member]
Short-term Debt [Line Items]
Interest rate					9.34%

[1] From March 25, 2016 to April 26, 2016, the Company entered multiple loan agreements through Jonway Auto with CITIC Bank Sanmen Brank for a total amount of approximately $5.3 million. The loans have annual interest of 5.96% and are due in various dates from March 25, 2017 to April 26, 2017. The loans are also secured by a land use right and a building with a total carrying amount of $4.4 million. One shareholder and CEO Alex Wang personally guaranteed these loans as well. In October 2015, Jonway Auto borrowed a half year short-term loan of $3.1 million at annual interest rate of 5.9%. The loan was repaid upon maturity in April 2016.

[2] On June 8, 2016, the Company entered into a one year short-term loan of $0.3 million at an annual interest rate of 5%. On July 22, 2016, the Company entered into a one year short-term loan of $1.0 million at an annual interest rate of 5%. On October 12, 2016, the Company entered into a one year short-term loan of $1.3 million at an annual interest rate of 5%. On October 13, 2016, the Company entered into a one year short-term loan of $1.0 million at an annual interest rate of 5%. These loans with aggregated amount of $4.3 million are secured by a land use right and a building with a total carrying amount of $2.9 million. One shareholder, Wang Huaiyi, and CEO Alex Wang also personally guaranteed these loans. On June 22, 2016, the Company entered into a one year short-term loan of $0.7 million at an annual interest rate of 4.4%. The loan is secured by a restricted cash deposit of $0.7 million. The Company fully repaid five loans totaling $4.6 million during 2016.

[3] On July 28, 2016, the Company entered into an agreement with Hangzhou Zhongheng Machinery Ltd. ("Zhongheng"). Pursuant to the agreement, Zhongheng paid off one loan on behalf of the Company, and the Company would repay the outstanding payable due to Zhongheng within two months after Zhongheng made the payment on behalf of the Company. In exchange for the service, the Company agreed to pay a monthly interest of 1.5% on the payment made by Zhongheng. The 1.5% monthly interest is equivalent to a compound annual interest rate of about 9.34%.