Acquisition (Details) - USD ($)		3 Months Ended	9 Months Ended
	May. 20, 2015	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2015
Business Acquisition [Line Items]
Purchase consideration			$ 2,701,000	$ 0
Disbursements from escrow			499,000
Goodwill		$ 2,053,000	$ 2,053,000		$ 0
Trademarks [Member]
Business Acquisition [Line Items]
Estimated life			11 years
Customer Relationships [Member]
Business Acquisition [Line Items]
Estimated life			13 years
OE Plus, LTD [Member]
Business Acquisition [Line Items]
Purchase consideration	$ 3,200,000
Purchase consideration held in escrow	1,000,000
High end of contingent additional payments	$ 2,000,000
Additional payments obligated period	4 years
Fair value estimation of contingent consideration obligation	$ 1,320,000
Disbursements from escrow			$ 501,000
Goodwill	1,847,000	2,053,000	$ 2,053,000
OE Plus, LTD [Member] | Trademarks [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 635,000	520,000
Estimated life	10 years
OE Plus, LTD [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 2,690,000	$ 2,100,000
Estimated life	8 years