Note Q - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Stock Sold in Offering [Table Text Block]

Distribution Agent	Month	Weighted Average Per Share Price		Number of Shares Sold		Net Proceeds		Compensation to Distribution Agent
Raymond James & Associates, Inc.	March 2021		9.0622		65,748	$	584		12
Raymond James & Associates, Inc.	June 2021		9.1115		34,686		310		6
Raymond James & Associates, Inc.	July 2021		9.1061		6,740		60		1
Raymond James & Associates, Inc.	September 2022		2.9045		94,491		269		5
Raymond James & Associates, Inc.	October 2022		2.8947		313,333		889		18
Raymond James & Associates, Inc.	November 2022		2.7830		29,426		80		2
Total					544,424	$	2,192		44