Stock-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014 Restricted Stock Executive	Jun. 30, 2013 Minimum	Jun. 30, 2013 Maximum
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares available for grant	377,123		377,123
Stock-based compensation expense	$ 0	$ 4,000	$ 20,000	$ 126,000
Unrecognized compensation expenses related to stock award	$ 0		$ 0		$ 5,000
Options granted			7,000	89,500
Options vested			7,000	89,500
Fair value of options granted during the period			$ 2.75			$ 1.03	$ 1.08
Restricted stock shares, granted					877
Restricted stock shares, vesting period					12 months