Geographical Analysis

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

Note 13 - Geographical Analysis

Geographical distribution of sales consisted of the following for the three months ended March 31, 2021 and 2020:

	2021		2020
Geographical Areas
North America	$	3,006,431	$	2,184,856
Asia*		178,282		-
Other countries		146,854		18,364
	$	3,331,567	$	2,203,220

Geographical location of identifiable long-lived assets as of March 31, 2021 and December 31, 2020:

	2021		2020
Geographical Areas
North America	$	2,087,621	$	2,236,709
Asia*		459,283		536,551
	$	2,546,904	$	2,773,260

* excluding China