Note 6 - Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Share-Based Payment Arrangement, Activity [Table Text Block]

	Year Ended December 31,
	2022		2021
	(In thousands)
General and administrative expense	$	1,445	$	1,779
	$	1,445	$	1,779

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
	(In thousands)					(In years)		(In thousands)
Outstanding at January 1, 2021		45			14.20
Options granted		—			—
Options exercised		—			—
Options canceled/forfeited		(16	)		14.20
Outstanding at December 31, 2021		29			14.20
Options granted		—			—
Options exercised		—			—
Options canceled/forfeited		(11	)		14.48
Outstanding at December 31, 2022		18			14.05		1.50	$	—
Options exercisable at December 31, 2022		18			14.05		1.50		—
Shares available for future grant		2,134

Schedule Of Activity For Restricted Stock Units Deferred Stock Units And Performance Units [Table Text Block]

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Unvested at January 1, 2021		287		$	8.78
Granted		163			7.21
Vested		(242	)		6.82
Forfeited		(6	)		14.99
Unvested at December 31, 2021		202			9.70
Granted		343			5.60
Vested		(293	)		5.77
Forfeited		(92	)		13.90
Unvested at December 31, 2022		160			5.70