Quarterly report pursuant to Section 13 or 15(d)

Income Tax - Additional Information (Detail)

v3.4.0.3
Income Tax - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Income Tax Holiday [Line Items]    
Income tax (expense) benefit $ (47,000) $ 23,000
Effective income tax rate reconciliation, at federal statutory income tax rate, Percent 35.00%  
Effective income tax rate reconciliation, State and local income taxes, Percent 5.00%  
Maximum [Member]    
Income Tax Holiday [Line Items]    
Income tax (expense) benefit $ (100,000) $ 100,000