Inventories (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Mar. 31, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 1,805	$ 1,708
Finished goods	34,166	35,036
Inventory, gross	35,971	36,744
Excess and obsolete inventory reserves	(10,780)	(11,362)
Inventories, net	$ 25,191	$ 25,382