Annual report pursuant to Section 13 and 15(d)

Concentrations (Additional Information) (Detail)

v3.3.1.900
Concentrations (Additional Information) (Detail)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Sales Revenue, Net [Member]    
Concentrations [Line Items]    
Concentration Risk, Percentage 17.00% 0.00%
Sales Revenue, Net [Member] | U.S. government [Member]    
Concentrations [Line Items]    
Concentration Risk, Percentage 4.00% 10.00%
Sales Revenue, Net [Member] | One Customer [Member]    
Concentrations [Line Items]    
Concentration Risk, Percentage 18.00% 0.00%
Accounts Receivable [Member]    
Concentrations [Line Items]    
Concentration Risk, Percentage 89.00% 0.00%
Accounts Receivable [Member] | U.S. government [Member]    
Concentrations [Line Items]    
Concentration Risk, Percentage 0.00% 6.00%