Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies - Revenue Recognition (Details)

v3.19.1
Organization and Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Accounting Policies [Abstract]    
Contract with Customer, Liability, Current $ 256 $ 256
Product warranty period 1 year