XML 53 R40.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Note 11 - Stock-based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Year) 5 years 10 months 2 days  
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Employee [Member] | General and Administrative Expense [Member]    
Share-Based Payment Arrangement, Expense $ 3 $ 225
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Nonemployee [Member] | General and Administrative Expense [Member]    
Share-Based Payment Arrangement, Expense 0 $ 43
Time Vesting Awards [Member] | Share-Based Payment Arrangement, Employee [Member]    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 12  
Time Vesting Awards [Member] | Share-Based Payment Arrangement, Nonemployee [Member]    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 0