Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Components of Intangible Assets (Detail)

v3.7.0.1
Intangible Assets - Components of Intangible Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Finite Lived Intangible Assets [Line Items]        
Cost $ 23,579 $ 23,579    
Accumulated Amortization (19,014) (11,089)    
Net 4,565 12,490 $ 24,936 $ 9,074
Software        
Finite Lived Intangible Assets [Line Items]        
Cost 11,544 11,544    
Accumulated Amortization (8,191) (4,949)    
Net 3,353 6,595    
Trade name / trademark        
Finite Lived Intangible Assets [Line Items]        
Cost 380 380    
Accumulated Amortization (380) (380)    
Net 0 0    
Customer list        
Finite Lived Intangible Assets [Line Items]        
Cost 11,300 11,300    
Accumulated Amortization (10,152) (5,534)    
Net 1,148 5,766    
License agreements        
Finite Lived Intangible Assets [Line Items]        
Cost 355 355    
Accumulated Amortization (291) (226)    
Net $ 64 $ 129