Income Taxes - Reconciliation of the Federal Statutory Rate to Effective Tax Rate (Detail)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Federal income tax rate 34.00% 34.00% 34.00%
Foreign rate differential 106.10% (31.60%) (53.90%)
State tax, net of federal benefit (2.40%) 77.80% 8.50%
Permanent Items:      
Change in fair value of redeemable warrants 0.00% 0.00% 0.00%
Change in fair market value of stock warrants   (3.00%) (4.00%)
Incentive stock options (10.40%) 2.40%  
Dividend from foreign subsidiary (55.90%) 54.90%  
Subpart F inclusion     8.90%
Acquisition costs capitalized     3.30%
Amortization of technical rights 16.40% (8.00%) (5.20%)
Deferred adjustments 4.80% 2.60% (6.00%)
Discrete prior year New Jersey liability   7.30%  
Other (0.50%) 0.80% 1.10%
Effect of permanent differences (45.50%) 57.00% (1.90%)
Effective income tax rate 92.10% 137.20% (13.30%)
Change in valuation allowance (92.30%) (114.60%) 13.60%
Effective income tax rate (0.20%) 22.60% 0.30%