Accounting for Stock-Based Compensation - Summary of Outstanding Stock Options (Detail) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Outstanding at beginning of period, Shares	3,002,480	3,010,980
Granted, Shares	0	0
Exercised, Shares	0	0
Forfeited and expired, Shares	(2,157,500)	0
Outstanding at end of period, Shares	844,980	3,010,980
Options exercisable at end of period, Shares	844,980	3,010,980
Outstanding at beginning of period, Weighted Average Exercise Price	$ 1.51	$ 1.51
Granted, Weighted Average Exercise Price	$ 0	$ 0
Exercised, Weighted Average Exercise Price	$ 0	$ 0
Forfeited and expired, Weighted Average Exercise Price	$ 1.19	$ 0.00
Outstanding at end of period, Weighted Average Exercise Price	$ 2.27	$ 1.51
Options exercisable at end of period, Weighted Average Exercise Price	$ 2.27	$ 1.51