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		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator:
Income (loss) from continuing operations	$ 2,147	$ (622)	$ 3,312	$ (4,672)
Loss from discontinued operations	(36)	0	(72)	(20)
Net income (loss)	$ 2,111	$ (622)	$ 3,240	$ (4,692)
Denominator:
Basic weighted average common shares outstanding (in shares)	10,019	7,836	9,846	6,512
Potential common shares from options and warrants (in shares)	119	0	212	0
Diluted weighted average shares (in shares)	10,138	7,836	10,058	6,512