Consolidated Statements of Comprehensive Income (Loss) - Unaudited (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net earnings (loss)	$ 87	$ (1,943)	$ (1,579)	$ (3,475)
Other comprehensive income (loss) net of tax:
Foreign currency translation	112	112	178	(558)
Interest rate swap, no tax benefit		16	(106)	33
Other comprehensive income (loss)	112	128	72	(525)
Comprehensive income (loss)	$ 199	$ (1,815)	$ (1,507)	$ (4,000)