Stock Compensation - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Options granted in 2009 exercisable period	P3Y
Weighted average period to cost recognized	2 years
Weighted average remaining life for outstanding stock	5 years 8 months 5 days
Exercise price range, lower range limit	$ 1.20
Exercise price range, upper range limit	$ 5.89
2007 Long-Term Incentive Plan [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Authorized shares of stock, option plan, maximum	2,000,000
Shares Granted	1,794	17,787
Maximum term for option exercisable	10 years
Unrecognized cost of nonvested stock options granted	$ 30,000
1999 Long-Term Incentive Plan [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Authorized shares of stock, option plan, maximum	3,569,766
Option expiry term (Years)	10 years
Stock Option [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Recognition of stock option expense	6,354	3,749
Unrecognized cost of nonvested stock options granted	15,780
Expected additional expense for 2014	13,912
Restricted Stock [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Recognition of stock option expense	178,638	90,718
Unrecognized cost of nonvested stock options granted	215,619
Expected additional expense for 2014	197,018
Non Vested shares issued during 2014	228,528		192,937
Vested shares during 2014	155,943
Vested shares during 2015	52,401
Vested shares during 2016	20,184
Expected additional expense for 2016	$ 123,177
Vested shares during 2017	24,900