12. Segments, Products and Customers (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Total sales	$ 29,376	$ 25,388
Total sales percentage	100.00%	100.00%
Drinkable Kefir Other Than ProBugs [Member]
Total sales	$ 24,203	$ 19,857
Total sales percentage	82.00%	78.00%
Cheese [Member]
Total sales	$ 3,199	$ 3,260
Total sales percentage	11.00%	13.00%
Cream and Other [Member]
Total sales	$ 863	$ 781
Total sales percentage	3.00%	3.00%
ProBugs Kefir [Member]
Total sales	$ 680	$ 860
Total sales percentage	2.00%	3.00%
Other Dairy [Member]
Total sales	$ 384	$ 371
Total sales percentage	1.00%	2.00%
Frozen Kefir [Member]
Total sales	$ 47	$ 259
Total sales percentage	1.00%	1.00%

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details