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12. Segments, Products and Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Total sales	$ 93,662	$ 103,350
Total sales percentage	100.00%	100.00%
Drinkable Kefir Other Than ProBugs [Member]
Total sales	$ 71,822	$ 78,523
Total sales percentage	77.00%	76.00%
Lifeway Cheese Products [Member]
Total sales	$ 11,459	$ 11,486
Total sales percentage	12.00%	11.00%
Cream and other [Member]
Total sales	$ 4,228	$ 5,276
Total sales percentage	4.00%	5.00%
ProBugs Kefir [Member]
Total sales	$ 2,780	$ 2,795
Total sales percentage	3.00%	3.00%
Other Dairy [Member]
Total sales	$ 1,756	$ 3,836
Total sales percentage	2.00%	4.00%
Frozen Kefir [Member]
Total sales	$ 1,617	$ 1,434
Total sales percentage	2.00%	1.00%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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