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, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ 4,676	$ (1,999)	$ 507	$ (1,380)	$ 5,140	$ (3,175)	$ (2,854)	$ (2,554)	$ 1,805	$ (3,447)	[1]	$ (4,259)	[1]
Income (loss) from discontinued operations, net of tax									12,102	1,932		(595)
Net income (loss)	$ 6,056	$ 8,363	$ 1,543	$ (2,055)	$ 5,888	$ (2,747)	$ (2,208)	$ (2,444)	$ 13,907	$ (1,515)		$ (4,854)
Weighted average shares - basic									6,466	6,319		6,073
Dilutive effect of stock-based awards									90	0		0
Weighted average shares - dilutive									6,556	6,319		6,073
Income (loss) per share from continuing operations:
Basic	$ 713.35	$ (308.34)	$ 78.70	$ (216.13)	$ 809.32	$ (501.03)	$ (452.58)	$ (406.95)	$ 0.28	$ (0.55)		$ (0.70)
Diluted	$ 707.20	$ (308.34)	$ 78.70	$ (216.13)	$ 809.32	$ (501.03)	$ (452.58)	$ (406.95)	$ 0.28	$ (0.55)		$ (0.70)
Income (loss) per share from discontinued operations:
Basic									$ 1.87	$ 0.31		$ (0.10)
Diluted									$ 1.85	$ 0.31		$ (0.10)
Net income (loss) per share:
Basic	$ 923.87	$ 1,290.00	$ 239.52	$ (321.85)	$ 927.10	$ (433.49)	$ (350.14)	$ (389.42)	$ 2.15	$ (0.24)		$ (0.80)
Diluted	$ 915.91	$ 1,270.00	$ 239.52	$ (321.85)	$ 923.03	$ (433.49)	$ (350.14)	$ (389.42)	$ 2.12	$ (0.24)		$ (0.80)

[1] Loss from continuing operations, as reported, has been revised to exclude amounts related to the sale of the Company's Media business, which has been presented as discontinued operations.