Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details Textual)

v3.19.3
Inventories (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Inventory Disclosure [Abstract]    
Inventory Write-down $ 1.3 $ 2.0