Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Components of Intangible Assets (Detail)

v3.7.0.1
Intangible Assets - Components of Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Mar. 31, 2017
Finite Lived Intangible Assets [Line Items]    
Cost $ 23,579 $ 23,579
Accumulated Amortization (19,604) (19,014)
Net 3,975 4,565
Software    
Finite Lived Intangible Assets [Line Items]    
Cost 11,544 11,544
Accumulated Amortization (8,737) (8,191)
Net 2,807 3,353
Trade names / trademarks    
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 (10,181) (10,152)
Net 1,119 1,148
License agreements    
Finite Lived Intangible Assets [Line Items]    
Cost 355 355
Accumulated Amortization (306) (291)
Net $ 49 $ 64