Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Line Items]
Provision (benefit) for taxes	$ (114,124)	$ (331,250)	$ (232,874)	$ (359,538)
Effective income tax rate	18.47%	83.29%	4.84%	39.34%