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12. Segments, Products and Customers (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Total sales		$ 25,014	$ 23,153	$ 50,402	$ 47,768
Total sales percentage				100.00%	100.00%
Drinkable Kefir Other Than ProBugs [Member]
Total sales		$ 20,146	$ 17,727	$ 40,003	$ 36,613
Total sales percentage		80.00%	76.00%	79.00%	77.00%
Cheese [Member]
Total sales		$ 3,254	$ 2,706	$ 6,514	$ 5,557
Total sales percentage		13.00%	12.00%	13.00%	11.00%
Cream and Other [Member]
Total sales		$ 651	$ 1,145	$ 1,432	$ 2,446
Total sales percentage		3.00%	5.00%	3.00%	5.00%
ProBugs Kefir [Member]
Total sales		$ 457	$ 697	$ 1,317	$ 1,460
Total sales percentage		2.00%	3.00%	3.00%	3.00%
Other Dairy [Member]
Total sales		$ 437	$ 423	$ 808	$ 902
Total sales percentage		2.00%	2.00%	1.00%	2.00%
Frozen Kefir [Member]
Total sales	[1]	$ 69	$ 455	$ 328	$ 790
Total sales percentage	[1]	0.00%	2.00%	1.00%	2.00%
[1] Includes Lifeway Kefir Shop sales

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