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Note L - Acquisition of Inside Out Solutions, LLC (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended |
--- | --- | --- | ---
Dec. 01, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Cash Held in Escrow |  | $ 1,000 | $ 0
Common Stock, Par or Stated Value Per Share (in dollars per share) |  | $ 1 | $ 1
Goodwill, Ending Balance |  | $ 2,398 | $ 0
Inside Out Solutions, LLC [Member] |  |  |
Cash Held in Escrow |  | 1,000 |
Inside Out Solutions, LLC [Member] |  |  |
Business Combination, Consideration Transferred, Total | $ 7,500 |  |
Payments to Acquire Businesses, Gross | 5,750 |  |
Cash Held in Escrow | 1,000 |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | 750 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 3,600 |  |
Goodwill, Ending Balance | 2,400 |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  | 1,000 |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  | $ 200 |
Inside Out Solutions, LLC [Member] | Minimum [Member] |  |  |
Working Capital | 1,300 |  |
Inside Out Solutions, LLC [Member] | Maximum [Member] |  |  |
Working Capital | $ 1,600 |  |
Inside Out Solutions, LLC [Member] | Common Stock [Member] |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 1.00 |  |

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