FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Financial instruments
Cash and cash equivalents	$ 18,300	$ 16,293	$ 32,498	$ 34,722
Restricted cash	3,019	3,151
Notes payable	124
Notes payable, fair value	124
Foreign currency forward contracts, liabilities	299	(322)
Recurring | Level 1
Financial instruments
Cash and cash equivalents	18,300	16,293
Cash and cash equivalents, fair value	18,300	16,293
Restricted cash	3,019	3,151
Restricted cash, fair value	3,019	3,151
Recurring | Level 2
Financial instruments
Foreign currency forward contracts, assets	747	307
Variable interest rate debt	14,987	16,225
Variable interest rate debt, fair value	14,987	16,225
Foreign currency forward contracts, liabilities	$ 448	$ 629