Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.8.0.1
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Mar. 31, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 33,279 $ 12,270
Work in process 6,078 1,769
Finished goods 27,330 21,310
Inventories, gross 66,687 35,349
Valuation reserves (1,619) (1,329)
Inventories, net $ 65,068 $ 34,020