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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Disaggregation of Revenue [Table Text Block]

In the following table, revenue is disaggregated by primary geographical market, major product line, and timing of revenue recognition.

		Three Months Ended June 30,								Six Months Ended 6/30
		2022				2021				2022				2021
Primary geographical markets:
United States		$	2,593,000			$	1,695,000			$	4,054,000			$	3,402,000
Asia			187,000				218,000				272,000				471,000
Other			10,000				12,000				16,000				16,000
			2,790,000				1,925,000				4,342,000				3,889,000
Major product lines:
ODM projects		$	2,118,000			$	1,093,000			$	2,989,000			$	2,375,000
ODM components			654,000				800,000				1,286,000				1,355,000
Distribution components			18,000				32,000				67,000				159,000
			2,790,000				1,925,000				4,342,000				3,889,000
Timing of revenue recognition:
Products transferred at a point in time		$	2,790,000			$	1,925,000			$	4,342,000			$	3,889,000