Computation of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]
Net loss	$ (287)	$ (69)
Less:
Preferred stock dividends	786	438
Accretion of Series A preferred stock discount		45
Loss allocated to unvested shares/Series C preferred	(97)	(28)
Net loss allocated to common shareholders, basic and diluted	(976)	(524)	(3,400)	(33,400)
Basic
Weighted average common shares outstanding	12,021,313	11,847,907
Basic loss per common share	$ (0.08)	$ (0.04)
Diluted
Add: Dilutive effects of assumed exercises of common and Preferred Series C stock warrants
Weighted average common shares and potential common shares	12,021,313	11,847,907
Diluted loss per common share	$ (0.08)	$ (0.04)
Unvested Shares
Less:
Loss allocated to unvested shares/Series C preferred	(70)	(13)
Basic
Weighted average common shares outstanding	856,723	293,675
Preferred Stock Dividends
Less:
Preferred stock dividends	786	438
Preferred Stock Redemption
Less:
Accretion of Series A preferred stock discount		45
Series C Preferred Stock
Less:
Loss allocated to unvested shares/Series C preferred	(27)	(15)
Basic
Weighted average common shares outstanding	332,894	332,894
Common Stock
Less:
Net loss allocated to common shareholders, basic and diluted	$ (976)	$ (524)
Common Stock and Series C Preferred Stock | Unvested Shares
Basic
Weighted average common shares including unvested common shares outstanding	13,210,930	12,474,476