Computation of Per Share Amounts - Net Loss Per Share Disclosure (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Net loss from continuing operations	$ (2,846)	$ (1,435)	$ (9,240)	$ (5,233)
Loss from discontinued operations, net of tax	0	(1)	0	(70)
Net loss	$ (2,846)	$ (1,436)	$ (9,240)	$ (5,303)
Shares used in per share calculations:
Basic and diluted	6,716	6,618	6,690	6,614
Loss per share from continuing operations:
Basic and diluted	$ (0.42)	$ (0.22)	$ (1.38)	$ (0.79)
Loss per share from discontinued operations:
Basic and diluted	$ 0.00	$ 0.00	$ 0.00	$ (0.01)
Net loss per share:
Basic and diluted	$ (0.42)	$ (0.22)	$ (1.38)	$ (0.80)