DEBT OBLIGATIONS (Details) In Thousands, unless otherwise specified			3 Months Ended									3 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 Senior Credit Facilities USD ($)	Mar. 31, 2014 Senior Credit Facilities Base Rate	Mar. 31, 2014 Senior Credit Facilities Base Rate Minimum	Mar. 31, 2014 Senior Credit Facilities Base Rate Maximum	Mar. 31, 2014 Senior Credit Facilities Eurocurrency Rate	Mar. 31, 2014 Senior Credit Facilities Eurocurrency Rate Minimum	Mar. 31, 2014 Senior Credit Facilities Eurocurrency Rate Maximum	Mar. 31, 2014 Revolving Credit Facility USD ($)	Dec. 31, 2013 Revolving Credit Facility USD ($)	Mar. 31, 2014 Term Loan USD ($)	Dec. 31, 2013 Term Loan USD ($)	Mar. 31, 2014 China Credit Facility USD ($)	Dec. 31, 2013 China Credit Facility USD ($)	Mar. 31, 2014 China Credit Facility Chinese Renminbi ("RMB") CNY	Mar. 31, 2014 Subordinated Notes USD ($)	Dec. 31, 2013 Subordinated Notes USD ($)
Debt Obligations
Current borrowings	$ 14,547	$ 14,145								$ 7,725	$ 7,725	$ 5,500	$ 5,250	$ 1,322	$ 1,170
Interest rate at period end (as a percent)										2.70%		2.70%		6.30%
Long-term debt	72,000	73,500										42,000	43,500				30,000	30,000
Effective rate (as a percent)												3.14%
Interest rate (as a percent)																	14.50%
Interest rate payable in cash (as a percent)																	13.00%
Interest rate payable in-kind (as a percent)																	1.50%
Maximum borrowing capacity										15,000		50,000		1,540		9,500
Debt instrument term										5 years		5 years
Principal amount of debt borrowed																	30,000
Reference rate				Base Rate			Eurocurrency Rate
Applicable margin (as a percent)				1.50%	0.25%	2.00%	2.50%	1.25%	3.00%
Average outstanding borrowings			56,100											1,330		8,100
Available borrowing capacity			$ 7,300											$ 200		1,400
Percentage of principal amount of notes that may prepay																	100.00%