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Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details Textual) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 10, 2025 $ / shares | Dec. 08, 2022 USD ($) shares | Mar. 30, 2025 USD ($) $ / shares shares | Mar. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) | Sep. 18, 2019 shares | Mar. 11, 2016 shares
Common Stock, Dividends, Per Share, Declared | $ / shares |  |  | $ 2 | $ 2 |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross |  |  | 110,000 | 10,000 |  |  |
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares |  |  | $ 74.47 | $ 78 |  |  |
Number of Times of Salary and Bonus Lump Sum Cash Payment |  |  | 2.99 |  |  |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent |  |  | 20.00% |  |  |  |
Defined Contribution Plan, Employer Matching Contribution Rate Per Dollar | $ / shares |  |  | $ 0.25 |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |  |  | 3.00% |  |  |  |
Defined Contribution Plan, Employer Discretionary Contribution Amount | $ |  |  | $ 34 | $ 38 |  |  |
Multiemployer Plans, Withdrawal Obligation | $ |  |  |  |  | $ 329 |  |
Multiemployer Plan, Employer Contribution, Cost | $ |  |  | 9 | $ 8 |  |  |
Executive Chairman of the Board [Member] |  |  |  |  |  |  |
Base Salary | $ |  |  | 1,000 |  |  |  |
Term of Consulting Period Pursuant to the Lorber Employment [Agreement] |  | 3 years |  |  |  |  |
Executive Chairman of the Board [Member] | Consulting Fee [Member] |  |  |  |  |  |  |
Contractual Obligation | $ |  | $ 200 |  |  |  |  |
Chief Executive Officer [Member] | Employment Contracts [Member] |  |  |  |  |  |  |
Base Salary | $ |  |  | $ 625 |  |  |  |
Sixth Stock Repurchase Plan [Member] |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Number of Shares |  |  |  |  |  |  | 1,200,000
Treasury Stock, Shares, Acquired |  |  | 1,101,884 |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ |  |  | $ 39,000 |  |  |  |
Share Repurchase Program, Remaining Authorized, Number of Shares |  |  | 98,116 |  |  |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period |  |  | 5 years | 5 years |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period |  |  | 4 years | 4 years |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ |  |  | $ 3,281 |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  |  | 36 months |  |  |  |
Share-Based Payment Arrangement, Option [Member] | Minimum [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period |  |  | 5 years |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period |  |  | 3 years |  |  |  |
Share-Based Payment Arrangement, Option [Member] | Maximum [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period |  |  | 10 years |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period |  |  | 5 years |  |  |  |
Restricted Stock [Member] | Executive Chairman of the Board [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period |  | 5 years |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 50,000 |  |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value | $ |  |  | $ 856 | $ 710 |  |  |
The 2019 Stock Incentive Plan [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized |  |  |  |  |  | 369,584 |
The 2019 Stock Incentive Plan [Member] | Shares Expired or Forfeited up to 100000 Shares [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant |  |  |  |  |  | 11,000 |
The 2019 Stock Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant |  |  | 38,584 |  |  |  |
The 2019 Stock Incentive Plan [Member] | Restricted Stock [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant |  |  | 134,808 |  |  |  |
The 2010 Stock Incentive Plan [Member] |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant |  |  |  |  |  | 208,584 |
Forecast [Member] |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ / shares | $ 0.5 |  |  |  |  |  |

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