Geographical Sales (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

Geographical distribution of sales consisted of the following for the years ended December 31, 2020 and 2019:

	2020		2019
Geographical Areas
North America	$	10,847,738	$	10,172,970
China		-		11,792,589
Asia*		468,248		-
Other countries		34,244		17,720
	$	11,350,230	$	21,983,279

* excluding China

Long-lived Assets by Geographic Areas [Table Text Block]

Geographical location of identifiable long-lived assets:

	2020		2019
Geographical Areas
North America	$	2,236,709	$	2,794,856
Asia*		536,551		-
	$	2,773,260	$	2,794,856

* excluding China