Commitments and Contingencies (Narrative) (Details) ft² in Thousands						12 Months Ended
	Mar. 31, 2017 USD ($)	Jun. 30, 2016 USD ($) ft²	Mar. 31, 2016 USD ($)	Mar. 01, 2016	Nov. 04, 2014 claim	Mar. 31, 2017 USD ($) extension_option	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)
Long-term Purchase Commitment [Line Items]
Rent expense under operating leases						$ 854,000	$ 502,000	$ 398,000
Initial lease term				24 months
Number of extension options (extension option) | extension_option						3
Extended lease term				12 months
Discretionary company contributions to retirement savings plan						$ 9,000	$ 10,000	$ 23,000
Number of claims dismissed (claim) | claim					6
State and Local Jurisdiction | Wisconsin Department of Revenue
Long-term Purchase Commitment [Line Items]
Income tax settlement	$ 460,000					460,000
Inventories
Long-term Purchase Commitment [Line Items]
Purchase commitments	4,218,000					4,218,000
General and administrative
Long-term Purchase Commitment [Line Items]
Monthly rental payment receivable						$ 21,000
Agreement with Tramontina U.S. Cookware, Inc.
Long-term Purchase Commitment [Line Items]
Gross cash proceeds from sale leaseback agreement			$ 2,600,000
Area of leased property (sqft) | ft²		197
Sale leaseback term		3 years
Rent expense per square foot		$ 2.00
Monthly rental payments	$ 38,000