GEOGRAPHIC INFORMATION

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

13 - GEOGRAPHIC INFORMATION

The following table presents summary geographic information about revenues and long-lived assets (land and property, net of accumulated depreciation) attributed to countries based upon location of our customers or assets:

	Year ended December 31,				December 31,
	2023		2022		2023		2022
					Long-lived		Long-lived
	Revenues		Revenues		Assets		Assets
United States	$	5,753,000	$	8,099,000	$	2,197,000	$	2,097,000
South Korea		256,000		209,000		-		-
China		62,000		96,000		619,000		662,000
Taiwan		10,000		8,000		154,000		163,000
Other foreign countries		27,000		11,000		-		-
Total	$	6,108,000	$	8,423,000	$	2,970,000	$	2,922,000