Stock Compensation - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Shares, Granted			5,443
Options granted in 2009 exercisable period			3 years
Weighted average period to cost recognized			2 years
Weighted average remaining life for outstanding stock			5 years 2 months 19 days
Exercise price range, lower range limit			$ 1.20
Exercise price range, upper range limit			$ 5.89
Stock Option [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Recognition of stock option expense	$ 6,197	$ 5,344	$ 18,748	$ 14,814
Unrecognized cost of nonvested stock options granted	5,729		5,729
Expected additional expense for 2015	17,661		17,661
Expected additional expense for 2016	1,406		1,406
Restricted Stock [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Recognition of stock option expense	120,000	68,000	356,000	260,000
Unrecognized cost of nonvested stock options granted	117,000		117,000
Expected additional expense for 2015	379,000		379,000
Expected additional expense for 2016	299,000		299,000
Non Vested shares issued during 2014	333,588		333,588		192,937
Vested shares during 2014			113,801
Vested shares during 2015			93,958
Vested shares during 2016	60,615		60,615
Vested shares during 2017	65,214		65,214
Vested shares during 2017			$ 86,000
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		2,000,000
Shares, Granted			5,443	12,317
Maximum term for option exercisable			10 years
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		3,569,766
Option expiry term (Years)			10 years