Note 5 - Share Based Compensation

3 Months Ended

Mar. 31, 2023

Notes to Financial Statements

Share-Based Payment Arrangement [Text Block]

5. SHARE BASED COMPENSATION

The following table presents share-based compensation expenses for continuing operations included in the Company’s unaudited condensed consolidated statements of operations:

	Three Months Ended March 31,
	2023		2022
Selling, general and administrative	$	55,453	$	92,426
Research, development and engineering		15,922		17,271
	$	71,375	$	109,697