Note G - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

						Weighted- Average
				Weighted-		Remaining		Aggregate
	Number of			Average		Contractual		Intrinsic Value
In thousands	Shares			Exercise Price		Term (Years)		(Thousands)
Options outstanding at December 31, 2020		87,747		$	40.25
Adjustment and Correction		—			—
Granted in 2021		—			—
Exercised in 2021		(31,906	)		2.95				—
Unvested options forfeited in 2021		(7,411	)		7.40
Vested options expired in 2021		(10,815	)		37.87
Options outstanding at December 31, 2021		37,615		$	80.21		1.36
Adjustment & Correction		(20,000	)
Granted in 2022		—			—
Exercised in 2022		—							—
Unvested options forfeited in 2022		—
Vested options expired in 2022		(4,947	)		95.80
Options outstanding at December 31, 2022		12,668		$	78.88		1.16		—
Vested and expected to vest at December 31, 2022		12,668		$	78.88		1.16		—
Exercisable at December 31, 2022		12,668		$	78.88		1.16		—

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Range of	Number		Weighted-Average		Weighted-Average Remaining Life		Number		Weighted-Average
Exercise Prices	Outstanding		Exercise Price		(Years)		Exercisable		Exercise Price
$76.80 - 115.20		12,668	$	78.88		1.16		12,668	$	78.88

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

				Weighted-
	Number of			Average Grant
	Shares			Date Fair Value
Unvested shares outstanding at December 31, 2020		789,709		$	2.22
Granted in 2021		500,890			5.72
Vested in 2021		(396,407	)		3.00
Forfeited in 2021		(247,753	)		2.35
Unvested shares outstanding at December 31, 2021		646,439			4.41
Adjustment and Correction		40,000
Granted in 2022		208,165			8.93
Vested in 2022		(296,161	)		4.85
Forfeited in 2022		(82,267	)		3.29
Unvested shares outstanding at December 31, 2022		516,176			6.43

Schedule of Share-based Compensation, Phantom Shares, Outstanding Activity [Table Text Block]

				Weighted-
	Number of			Average Grant
	Units			Date Fair Value
Phantom stock units outstanding as of December 31, 2020		4,346		$	9.70
Granted in 2021		—			—
Vested in 2021		(4,146	)		9.70
Forfeited in 2021		(200	)		9.70
Phantom stock units outstanding as of December 31, 2021		—			—

Schedule of Nonvested Performance-Based Units Activity [Table Text Block]

				Weighted-
	Number of			Average Grant-
	Units			Date Fair Value
Performance stock units outstanding as of December 31, 2020		32,268		$	4.14
Granted in 2021		75,000			5.59
Settled in 2021		(13,158	)		3.30
Forfeited in 2021		—
Performance stock units outstanding as of December 31, 2021		94,110		$	5.41
Granted in 2022		117,000			7.77
Settled in 2022		(69,110	)		5.44
Forfeited in 2022		—
Performance stock units outstanding as of December 31, 2022		142,000			7.34