Business Segmentation and Geographical Distribution (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 30, 2017
Revenue from international sources	$ 6,500	$ 5,600
Consumer Products Segment [Member]
Revenue from international sources	4,200	4,200
Ingredients Segment [Member]
Revenue from international sources	600	400
Analytical Reference Standards Services [Member]
Revenue from international sources	$ 1,700	$ 1,000