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Note 1 - Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
May 13, 2024
USD ($)
Apr. 11, 2024
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Cash and Cash Equivalents, at Carrying Value     $ 11,658 $ 15,804
Contract with Customer, Liability, Current     561 430
Unbilled Receivables, Current     $ 18,623 $ 21,488
Reverse Stock Split [Member] | Subsequent Event [Member]        
Stockholders' Equity Note, Stock Split, Conversion Ratio   6    
Forecast [Member] | Pre-funded Warrants [Member] | Private Placement [Member]        
Proceeds from Issuance of Warrants $ 10,000