SEGMENT INFORMATION (Segment Reporting) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Revenue	$ 53,810	$ 50,859
Gross profit	4,728	5,337
Domestic [Member]
Segment Reporting Information [Line Items]
Revenue	28,011	27,351
Gross profit	2,925	844
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenue	19,700	19,556
Gross profit	2,207	4,844
Latin America [Member]
Segment Reporting Information [Line Items]
Revenue	6,099	3,952
Gross profit	$ (404)	$ (351)