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11. Segments, Products and Customers (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Total sales		$ 27,096	$ 31,733	$ 55,838	$ 63,850
Percentage of sales		100.00%	100.00%	100.00%	100.00%
Drinkable Kefir other than ProBugs[Member]
Total sales		$ 20,715	$ 24,354	$ 42,378	$ 49,405
Percentage of sales		76.00%	77.00%	76.00%	77.00%
Cheese [Member]
Total sales		$ 2,853	$ 2,864	$ 5,787	$ 5,698
Percentage of sales		11.00%	9.00%	10.00%	9.00%
Cream and other [Member]
Total sales		$ 1,206	$ 1,714	$ 2,698	$ 3,438
Percentage of sales		4.00%	5.00%	5.00%	5.00%
Cupped Kefir and Skyr [Member]
Total sales		$ 1,118	$ 897	$ 2,455	$ 1,490
Percentage of sales		4.00%	3.00%	4.00%	2.00%
ProBugs Kefer [Member]
Total sales		$ 743	$ 1,378	$ 1,695	$ 2,857
Percentage of sales		3.00%	4.00%	3.00%	5.00%
Frozen Kefir [Member]
Total sales	[1]	$ 461	$ 526	$ 825	$ 962
Percentage of sales	[1]	2.00%	2.00%	2.00%	2.00%
[1] Includes Lifeway Kefir Shop sales

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599

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