Discontinued Operations, Sale of the Cold-EEZE® Business - Schedule of Operating Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ (371)	$ 1,826	$ 4,687	$ 6,179
Cost of sales	264	728	2,037	2,427
Sales and marketing	200	533	1,720	2,833
Administration		319	348	656
Research and development		48	52	95
Income (loss) from discontinued operations	$ (835)	$ 198	$ 530	$ 168