Computation of Per Share Amounts - Net Income Per Share Disclosure (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Net (loss) income from continuing operations	$ 968	$ (2,846)	$ (4,149)	$ (2,245)	$ 5,066	$ (1,435)	$ (1,490)	$ (2,308)	$ (8,272)	$ (167)	$ 1,805
(Loss) income from discontinued operations, net of tax									0	(67)	12,102
Net (loss) income	$ 968	$ (2,846)	$ (4,149)	$ (2,245)	$ 5,069	$ (1,436)	$ (1,531)	$ (2,336)	$ (8,272)	$ (234)	$ 13,907
Weighted average shares - basic									6,697	6,620	6,466
Dilutive effect of stock-based awards									0	0	90
Weighted average shares - dilutive									6,697	6,620	6,556
(Loss) income per share from continuing operations:
Basic	$ 0.14	$ (0.42)	$ (0.62)	$ (0.34)	$ 0.76	$ (0.22)	$ (0.22)	$ (0.35)	$ (1.24)	$ (0.03)	$ 0.28
Diluted	$ 0.14	$ (0.42)	$ (0.62)	$ (0.34)	$ 0.76	$ (0.22)	$ (0.22)	$ (0.35)	$ (1.24)	$ (0.03)	$ 0.28
(Loss) income per share from discontinued operations:
Basic (in dollars per share)									$ 0.00	$ (0.01)	$ 1.87
Diluted (in dollars per share)									$ 0.00	$ (0.01)	$ 1.85
Net (loss) income per share:
Basic (in dollars per share)	$ 0.14	$ (0.42)	$ (0.62)	$ (0.34)	$ 0.76	$ (0.22)	$ (0.23)	$ (0.35)	$ (1.24)	$ (0.04)	$ 2.15
Diluted (in dollars per share)	$ 0.14	$ (0.42)	$ (0.62)	$ (0.34)	$ 0.76	$ (0.22)	$ (0.23)	$ (0.35)	$ (1.24)	$ (0.04)	$ 2.12