v3.26.1
Note 9 - Stock Based Compensation (Details Textual) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Share-Based Payment Arrangement, Expense $ 1,121 $ 1,433 $ 2,825 $ 3,741
The 2019 Stock Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)     6,900  
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 6,100   $ 6,100  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 2 months 1 day  
The 2019 Stock Plan [Member] | Restricted Stock [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     379 396
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)     $ 2.44 $ 2.73
The 2019 Stock Plan [Member] | Board of Directors [Member] | Restricted Stock [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     379  
The 2019 Stock Plan [Member] | Share-Based Payment Arrangement, Employee [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares) 1,900   1,900