Note 11 - Financial Information about Geographic Areas (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Net sales by geographic region
United States	$	22,546,000	$	11,158,000	$	38,165,000	$	23,197,000
International		2,954,000		257,000		5,489,000		521,000
Consolidated net sales	$	25,500,000	$	11,415,000	$	43,654,000	$	23,718,000

	June 30,		December 31,
	2020		2019
Long-lived assets by geographic region
United States	$	2,544,000	$	2,450,000
International		1,460,000		1,493,000
Consolidated total long-lived assets	$	4,004,000	$	3,943,000