Net (Loss) Income Per Common Share - Calculation of Basic and Diluted (Loss) Income Per Common and Common Equivalent Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Basic income per common share
Net (loss) income	$ (692)	$ 152
Less: Preferred stock dividends		(7)
Net (loss) income applicable to common stock	(692)	145
Basic weighted average number of common shares outstanding	10,752	11,739
Basic net (loss) income per common share	$ (0.06)	$ 0.01
Diluted (loss) income per common share
Net income applicable to common stock	(692)	145
Add: Preferred stock dividends		7
Less: Fair value of stock warrants for dilutive warrants		(309)
Net (loss) applicable to dilutive common stock	$ (692)	$ (157)
Basic weighted average number of common shares outstanding	10,752	11,739
Effect of dilutive securities
Dilutive stock awards		25
Weighted average number of diluted shares outstanding adjustment		25
Diluted weighted average number of common shares outstanding	10,752	11,764
Diluted net income per common share	$ (0.06)	$ (0.01)