Acquisition (Details) - Harris - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Feb. 13, 2015	Jan. 02, 2014	Mar. 31, 2015	Jan. 02, 2015	Oct. 21, 2013	Jul. 01, 2013
Business Acquisition [Line Items]
Purchase agreement, value						$ 10,801
Purchase agreement, potential adjustment, amount						200
Contingent consideration, recorded liability						$ 612
Fixed future consideration					$ 1,371
Business acquisition, common stock issued		$ 571
Acquisition consideration (shares)		83,943
Common stock fair value (usd per share)		$ 3.80
Future cash consideration				$ 800
Acquisition consideration, cash	$ 800
Contingent consideration, reduction in liability during period			$ 147