Acquisition (Acquisition Agreement) (Details) - Harris - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Feb. 12, 2015	Jan. 02, 2014	Jul. 01, 2013	Mar. 31, 2014	Jan. 02, 2015	Oct. 21, 2013
Business Acquisition [Line Items]
Purchase agreement, value			$ 10,801
Purchase agreement, potential adjustment, amount			200
Contingent consideration, recorded liability			612
Acquisition consideration, cash	$ 800		5,000
Acquisition consideration, debt			$ 3,124
Acquisition consideration, debt term			3 years
Acquisition consideration (shares)		83,943	856,997
Business acquisition, common stock issued		$ 571	$ 2,065
Acquisition consideration, share price (usd per share)			$ 2.33
Acquisition share price determination, trading days before purchase agreement			45 days
Acquisition share price determination, trading days after purchase agreement			22 days
Purchase accounting provisions, share price (usd per share)			$ 2.41
Fixed future consideration						$ 1,371
Common stock fair value (usd per share)		$ 3.80
Future cash consideration					$ 800
Acquisition and integration related costs				$ 515