Condensed Consolidated Statements of Comprehensive Income (Loss) (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 Comprehensive Income [Abstract]
Net loss	$ (3,181)	$ (1,457)	$ (3,964)	$ (299)
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	(3)	(277)	92	(285)
Reclassification of currency translation adjustments related to sale of clinical trial services business (see Note 5 - Comprehensive Income)	0	0	0	2,337
Other comprehensive (loss) income, before tax	(3)	(277)	92	2,052
Income tax (benefit) expense related to items of other comprehensive income	0	(99)	162	(130)
Other comprehensive (loss) income, net of tax	(3)	(178)	(70)	2,182
Comprehensive (loss) income	$ (3,184)	$ (1,635)	$ (4,034)	$ 1,883