Commitments and Contingencies (Schedule of Contractual Obligations and Future Cash Payments) (Footnotes) (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Commitments and Contingencies Disclosure [Abstract] | |||
Operating lease expenses | $ 116 | $ 72 | $ 77 |