Quarterly report pursuant to Section 13 or 15(d)

Income Tax - Additional Information (Detail)

v3.5.0.2
Income Tax - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Tax Holiday [Line Items]        
Income tax (expense) $ (36,000) $ (76,000) $ (82,000) $ (53,000)
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) $ (100,000) $ (100,000) $ (100,000) $ (100,000)