Sale of Product Lines-Discontinued Operations - Schedule of Disposal Groups Including Discontinued Operations Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]
Net sales		$ 218		$ 2,376
Cost of sales		150		1,400
Operating expenses		369		779
Total costs and expenses		519		2,179
Income (loss) from discontinued operations		(301)		197
Gain on sale of discontinued operations		1,128		1,128
Income before income taxes		827		1,325
Income tax expense		(290)		(464)
Income from discontinued operations		$ 537		$ 861