Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.5.0.2
Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Income Tax Disclosure [Abstract]        
Liability for unrecognized tax benefit, including related estimates of penalties and interest $ 0 $ 0 $ 0 $ 0
Income tax provision (benefit) $ 40,000 $ 44,000 $ 117,000 $ 127,000
Projected annual effective tax rate (1.30%) (0.80%) (1.10%) (0.70%)
Statutory tax rate 34.00% 34.00% 34.00% 34.00%