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Note G - Stock-based Compensation (Tables) | 12 Months Ended
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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 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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