Net (Loss) Income Per Common Share - Calculation of Basic and Diluted (Loss) Income Per Common and Common Equivalent Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic (loss) income per common share
Net (loss) income	$ (326)	$ (10)	$ (1,018)	$ 142
Less: Preferred stock dividends	(7)	(7)	(14)	(14)
Net (loss) income applicable to common stock	$ (333)	$ (17)	$ (1,032)	$ 128
Basic weighted average number of common shares outstanding	10,758	10,741	10,754	11,686
Basic net (loss) income per common share	$ (0.03)	$ 0.00	$ (0.10)	$ 0.01
Diluted (loss) income per common share
Net (loss) income applicable to common stock	$ (333)	$ (17)	$ (1,032)	$ 128
Add: Preferred stock dividends		7		14
Less: Fair value of stock warrants for dilutive warrants		(70)		(379)
Net (loss) applicable to dilutive common stock	$ (333)	$ (80)	$ (1,032)	$ (237)
Basic weighted average number of common shares outstanding	10,758	10,741	10,754	11,686
Effect of dilutive securities
Dilutive stock awards	0	0	0	0
Dilutive preferred share conversions		15		20
Weighted average number of diluted shares outstanding adjustment		15		20
Diluted weighted average number of common shares outstanding	10,758	10,756	10,754	11,706
Diluted net (loss) per common share	$ (0.03)	$ (0.01)	$ (0.10)	$ (0.02)