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, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Net (loss) income from continuing operations	$ 5,066	[1]	$ (1,435)	[1]	$ (1,490)	[1]	$ (2,308)	[1]	$ 4,676	[1]	$ (1,999)	[1]	$ 1,291	[1]	$ (2,163)	[1]	$ (167)	$ 1,805	$ (3,447)
(Loss) income from discontinued operations, net of tax																	(67)	12,102	1,932
Net (loss) income	$ 5,069		$ (1,436)		$ (1,531)		$ (2,336)		$ 6,056	[1],[2]	$ 8,363	[1],[2]	$ 1,609	[1],[2]	$ (2,121)	[1],[2]	$ (234)	$ 13,907	$ (1,515)
Weighted average shares - basic																	6,620	6,466	6,319
Dilutive effect of stock-based awards																	0	90	0
Weighted average shares - dilutive																	6,620	6,556	6,319
(Loss) income per share from continuing operations:
Basic	$ 0.76	[1]	$ (0.22)	[1]	$ (0.22)	[1]	$ (0.35)	[1]	$ 0.71		$ (0.31)		$ 0.20		$ (0.34)		$ (0.03)	$ 0.28	$ (0.55)
Diluted	$ 0.76	[1]	$ (0.22)	[1]	$ (0.22)	[1]	$ (0.35)	[1]	$ 0.71		$ (0.31)		$ 0.20		$ (0.34)		$ (0.03)	$ 0.28	$ (0.55)
(Loss) income per share from discontinued operations:
Basic																	$ (0.01)	$ 1.87	$ 0.31
Diluted																	$ (0.01)	$ 1.85	$ 0.31
Net (loss) income per share:
Basic	$ 0.76	[1]	$ (0.22)	[1]	$ (0.23)	[1]	$ (0.35)	[1]	$ 0.92		$ 1.29		$ 0.25		$ (0.33)		$ (0.04)	$ 2.15	$ (0.24)
Diluted	$ 0.76	[1]	$ (0.22)	[1]	$ (0.23)	[1]	$ (0.35)	[1]	$ 0.92		$ 1.27		$ 0.25		$ (0.33)		$ (0.04)	$ 2.12	$ (0.24)

[1] Certain amounts shown above that were previously reported have been adjusted for corrections of intra-period tax allocations.

[2] Included in net income for the three months ended June 30, 2012, is a gain of $4.0 million from the sale of the Company's Series C-1 preferred stock investment in CollabNet, Inc.