Annual report pursuant to Section 13 and 15(d)

The Company and Its Accounting Policies - Accompanying Consolidated Balance Sheets (Detail)

v3.8.0.1
The Company and Its Accounting Policies - Accompanying Consolidated Balance Sheets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Mar. 31, 2017
Accounting Policies [Abstract]    
Unbilled revenue $ 8,079 $ 15,842
Progress payments reducing inventory (Note 2) (10,109) (7,234)
Customer deposits (13,213) (12,407)
Net under (over) billings $ (15,243) $ (3,799)