Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 1,074,000	$ 379,000	$ 584,000	$ (256,000)
Effective tax rate	45.00%		51.50%
Deferred tax asset valuation allowance	$ 4,500,000		$ 4,500,000		$ 4,500,000
Pre-tax income or losses period			3 years
Interest and penalties related to unrecognized tax benefits	0		$ 0
Uncertain tax portions	$ 0		$ 0