Note 16 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	2019		2018
Net sales to external customers
United States	$	25,747,158	$	27,673,352
Australia/New Zealand		595,349		732,227
Canada		616,556		718,560
Mexico		577,488		474,372
Europe (1)		3,224,971		3,972,381
Asia (2)		4,293,793		2,544,849
Total net sales	$	35,055,315	$	36,115,741
Assets by area
United States	$	12,340,835	$	13,584,424
Australia/New Zealand		502,812		540,591
Canada		154,825		166,533
Mexico		223,238		179,713
Europe (1)		971,159		867,008
Asia (2)		1,114,127		1,015,596
Total consolidated assets	$	15,306,996	$	16,353,865

Schedule of Segment Reporting Information by Product [Table Text Block]

	2019		2018
Net sales by product category
Nutritional and dietary supplements	$	29,822,879	$	32,670,362
Other supplements		1,223,977		-
Sales aids, membership fees, and other		1,251,677		1,247,807
Freight income		1,973,320		2,197,572
Other revenue		783,462		-
Total net sales	$	35,055,315	$	36,115,741