Note 6 - Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	Year Ended December 31,
	2021		2020
	(In thousands)
General and administrative expense	$	1,779	$	965
	$	1,779	$	965

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, 2020		179			15.27
Options granted		—			—
Options exercised		—			—
Options canceled/forfeited		(134	)		14.36
Outstanding at December 31, 2020		45			14.20
Options granted		—			—
Options exercised		—			—
Options canceled/forfeited		(16	)		14.20
Outstanding at December 31, 2021		29			14.20		1.85	$	—
Options exercisable at December 31, 2021		19			14.06		2.43		—
Shares available for future grant		2,374

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, 2020		287		$	14.44
Granted		313			5.89
Vested		(174	)		7.77
Forfeited		(139	)		15.24
Unvested at December 31, 2020		287			8.78
Granted		163			7.21
Vested		(242	)		6.82
Forfeited		(6	)		14.99
Unvested at December 31, 2021		202			9.70