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Note L - Acquisition of Inside Out Solutions, LLC (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Dec. 01, 2022
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Cash Held in Escrow   $ 1,000   $ 0
Goodwill, Ending Balance   2,398 $ 2,398  
Inside Out Solutions, LLC [Member]        
Cash Held in Escrow   1,000 $ 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   2,800    
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual   $ 500    
Inside Out Solutions, LLC [Member] | Minimum [Member]        
Working Capital 1,300      
Inside Out Solutions, LLC [Member] | Maximum [Member]        
Working Capital $ 1,600