XML 125 R93.htm IDEA: XBRL DOCUMENT v3.5.0.2
Commitments - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]      
Operating Leases, Rent Expense $ 288,000 $ 269,000 $ 301,000