Basic and Diluted Income (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Numerator:
Net loss	$ (1,986)	$ (8,199)	$ (4,010)	$ (9,354)
Denominator:
Weighted-average shares outstanding for basic earnings per share (in shares)	17,887,859	18,299,108	17,887,859	18,320,653
Effect of dilutive securities:
Employee stock options (in shares)	0	0	0	0
Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share (in shares)	17,887,859	18,299,108	17,887,859	18,320,653
Shares related to dilutive securities excluded because inclusion would be anti-dilutive (in shares)	2,736,703	2,916,427	2,727,435	2,918,692