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Note 8 - Stock Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Share-Based Payment Arrangement, Expense $ 2.1 $ 2.8  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) 2,200,000   900,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in dollars per share) $ 9.28   $ 10.55
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares) 1,697,434    
Natural Habitat, Inc [Member] | Mr. Bressler [Member]      
Equity Incentive Opportunity, Floor Value $ 25.0    
Stock Options, Excess of Fair Value, Percent 10.10%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Percentage of Award Elected to Receive Early 50.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 1,300,000    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 8.44    
Deferred Compensation Arrangement with Individual, Allocated Share-Based Compensation Expense $ 0.6    
Share-Based Payment Arrangement, Option [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 1,300,000    
Share-Based Payment Arrangement, Option [Member] | Natural Habitat, Inc [Member] | Mr. Bressler [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years    
2021 Long-Term Incentive Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) 4,700,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 2,100,000    
2021 Long-Term Incentive Compensation Plan [Member] | Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 159,660    
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) $ 9.33    
2021 Long-Term Incentive Compensation Plan [Member] | Performance Shares [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 159,564    
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) $ 9.33