Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Loss per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
(Loss) income from continuing operations	$ (3,177)	$ 4,398	$ (9,070)	$ 7,814
Loss from discontinued operations	0	(142)	(12)	(318)
Net (loss) income	$ (3,177)	$ 4,256	$ (9,082)	$ 7,496
Denominator:
Basic weighted average common shares outstanding (in shares)	11,690	10,310	11,666	10,002
Potential common shares from equity awards and warrants (in shares)	0	355	0	340
Diluted weighted average shares (in shares)	11,690	10,665	11,666	10,342