Note 9 - Earnings (Loss) Per Share Applicable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the three months ended						For the six months ended
	June 30,						June 30,
	2022			2021			2022			2021
Net income (loss) - basic	$	(636	)	$	19,764		$	70		$	(373	)
Reversal of gain due to change in fair value of warrant liability		-			(19,274	)		(352	)		-
Net income (loss) - diluted	$	(636	)	$	490		$	(282	)	$	(373	)
Weighted average shares outstanding - basic		212,051,322			202,033,912			211,532,305			198,606,970
Diluted stock options		-			5,437,099			-			-
Diluted warrants		-			31,442,211			-			-
Diluted preferred shares		-			39,492,302			31,268,169			-
Weighted average shares outstanding - diluted		212,051,322			278,405,524			242,800,475			198,606,970
Basic earnings (loss) per share	$	(0.00	)	$	0.10		$	0.00		$	(0.00	)
Diluted earnings (loss) per share	$	(0.00	)	$	0.00		$	(0.00	)	$	(0.00	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	For the six months ended
	June 30,
	2022		2021
Options		6,210		7,503
Series A convertible preferred shares		-		39,492
Warrants		40,338		40,338
Total		46,548		87,333