SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net sales	$ 2,218,000	$ 4,147,000
United States
Net sales	2,053,000	3,417,000
North America
Net sales	0	4,000
Europe
Net sales	29,000	55,000
Asia/Pacific Rim
Net sales	2,000	17,000
South America
Net sales	134,000	616,000
Africa
Net sales	$ 0	$ 38,000