LINE OF CREDIT, SHORT TERM DEBT AND BANK ACCEPTANCE NOTES (Line of Credit) (Details) (USD $)	3 Months Ended		1 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended	1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2014	Jul. 31, 2014	Dec. 31, 2013	Apr. 30, 2015	Mar. 31, 2015	Dec. 31, 2012
Line of Credit Facility [Line Items]
Repayment of short-term loans	$ 1,959,000	$ 2,837,000
CITIC [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	16,300,000	16,300,000		16,300,000					16,300,000
Credit exposure	6,050,000	6,050,000		6,050,000					6,050,000
Amount outstanding	5,050,000	1,000,000		1,000,000					5,050,000
Interest rate		7.08%	6.69%	7.08%	6.69%
Restricted cash deposit	10,600,000								10,600,000
Expiration	Mar. 31, 2016
Beginning maturity date	Jul. 01, 2015
Ending maturity date	Mar. 31, 2016
Debt instrument maturity period			1 year	1 year
Face amount			980,000		980,000
CITIC [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Required cash deposit	50.00%
CITIC [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Required cash deposit	100.00%
Taizhou Bank [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity			2,400,000		2,400,000					4,100,000
Amount outstanding			1,100,000		1,100,000
Expiration					Jan. 01, 2015
Beginning maturity date	Feb. 01, 2015
Ending maturity date	Apr. 30, 2015
China Everbright Bank [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity							9,200,000
Credit exposure	3,750,000						4,600,000		3,750,000
Amount outstanding	6,690,000								6,690,000
Interest rate						7.20%
Collateral amount							2,100,000
Restricted cash deposit	3,350,000								3,350,000
Required cash deposit							50.00%
Expiration	Jan. 31, 2015
Debt instrument maturity period						11 months
Face amount						1,200,000
China Everbright Bank [Member] | Subsequent Event [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity								7,500,000
Credit exposure								3,750,000
Required cash deposit								50.00%
Expiration								Apr. 30, 2016
ICBC [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity		5,400,000		5,400,000
Credit exposure	4,900,000	5,400,000		5,400,000					4,900,000
Amount outstanding	6,500,000								6,500,000
Interest rate, minimum	5.00%
Interest rate, maximum	6.90%
Available borrowing capacity	500,000								500,000
Restricted cash deposit	1,600,000								1,600,000
Expiration	Mar. 31, 2017
Beginning maturity date	Apr. 01, 2015
Ending maturity date	Mar. 31, 2016
Repayment of short-term loans									$ 800,000