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12. Segments, Products and Customers (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total sales		$ 26,039	$ 22,729	$ 76,441	$ 70,497
Total sales percentage		100.00%	100.00%	100.00%	100.00%
Drinkable Kefir Other Than ProBugs [Member]
Total sales		$ 21,152	$ 17,513	$ 61,155	$ 54,126
Total sales percentage		81.00%	77.00%	80.00%	77.00%
Cheese [Member]
Total sales		$ 3,105	$ 2,791	$ 9,619	$ 8,348
Total sales percentage		12.00%	12.00%	13.00%	12.00%
Cream and Other [Member]
Total sales		$ 688	$ 913	$ 2,120	$ 3,359
Total sales percentage		3.00%	4.00%	3.00%	5.00%
ProBugs Kefir [Member]
Total sales		$ 629	$ 590	$ 1,946	$ 2,050
Total sales percentage		2.00%	3.00%	2.00%	3.00%
Other Dairy [Member]
Total sales		$ 363	$ 432	$ 1,171	$ 1,334
Total sales percentage		1.00%	2.00%	1.00%	2.00%
Frozen Kefir [Member]
Total sales	[1]	$ 102	$ 490	$ 430	$ 1,280
Total sales percentage	[1]	1.00%	2.00%	1.00%	1.00%
[1] Includes Lifeway Kefir Shop sales

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