Note 8 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	Common		Common		Additional
	Stock		Stock		Paid-In			Accumulated			Treasury
	Shares		Amount		Capital			Deficit			Stock			Total
Balance at December 31, 2023		3,867,082	$	2,320	$	48,602		$	(24,209	)	$	(5,402	)	$	21,311
Common stock issued under restricted stock units		4,710		3		(3	)		—			—			—
Share-based compensation expense-stock options		—		—		55			—			—			55
Share-based compensation expense-restricted stock units		—		—		121			—			—			121
Treasury shares		—		—		—			—			(651	)		(651	)
Net income		—		—		—			681			—			681
Balance at March 31, 2024		3,871,792		2,323		48,775			(23,528	)		(6,053	)		21,517
Common stock issued under restricted stock units		6,006		4		(4	)		—			—			—
Share-based compensation expense-stock options		—		—		77			—			—			77
Share-based compensation expense-restricted stock units		—		—		148			—			—			148
Net income		—		—		—			1,664			—			1,664
Balance at June 30, 2024		3,877,798		2,327		48,996			(21,864	)		(6,053	)		23,406
Common stock issued under restricted stock units		21,327		12		(12	)		—			—			—
Common stock issued - exercised warrants		6,018		4		(4	)		—			—			—
Share-based compensation expense-stock options		—		—		78			—			—			78
Share-based compensation expense-restricted stock units		—		—		146			—			—			146
Net income		—		—		—			2,357			—			2,357
Balance at September 30, 2024		3,905,143	$	2,343	$	49,204		$	(19,507	)	$	(6,053	)	$	25,987

	Common		Common		Additional
	Stock		Stock		Paid-In			Accumulated			Treasury
	Shares		Amount		Capital			Deficit			Stock			Total
Balance at December 31, 2022		3,686,939	$	2,212	$	45,304		$	(21,979	)	$	(5,402	)	$	20,135
Common stock issued		858		1		14			—			—			15
Common stock issued under restricted stock units		1,920		1		(1	)		—			—			—
Share-based compensation expense-stock options		—		—		58			—			—			58
Share-based compensation expense-restricted stock units		—		—		69			—			—			69
Net loss		—		—		—			(1,270	)		—			(1,270	)
Balance at March 31, 2023		3,689,717		2,214		45,444			(23,249	)		(5,402	)		19,007
Common stock issued		2,661		2		33			—			—			35
Common stock issued under restricted stock units		1,920		1		(1	)		—			—			—
Share-based compensation expense-stock options		—		—		61			—			—			61
Share-based compensation expense-restricted stock units		—		—		63			—			—			63
Net loss		—		—		—			(1,340	)		—			(1,340	)
Balance at June 30, 2023		3,694,298		2,217		45,600			(24,589	)		(5,402	)		17,826
Common stock issued		1,254		1		12			—			—			13
Common stock issued under restricted stock units		27,418		16		(16	)		—			—			—
Share-based compensation expense-stock options		—		—		44			—			—			44
Share-based compensation expense-restricted stock units		—		—		641			—			—			641
Net loss		—		—		—			90			—			90
Balance at September 30, 2023		3,722,970	$	2,234	$	46,281		$	(24,499	)	$	(5,402	)	$	18,614