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Note 10 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

Common Class A [Member]

Notes Tables

Dividends Declared [Table Text Block]

Month		*2021*				*2020*
		*Cash Dividend*				*Cash Dividend*
March 31		$	0.101			$	—
June 30			0.102				—
September 30			0.103				—
December 31			0.104				0.100
Total		$	0.410			$	0.100

Month		2021				2020
		Distributions Declared				Distributions Declared
January		$	—			$	—
February			—				—
March			—				—
April			—				—
May			—				—
June			0.10417				—
July			0.19531				—
August			0.19531				—
September			0.19531				—
October			0.19531				—
November			0.19531				—
December 31			0.19531				—
Total		$	1.27603				—