XML 62 R52.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Note 11 - Common Stock and Stock-based Compensation Plans (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Feb. 12, 2024
Mar. 31, 2024
Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award, Options and Stock Appreciation Rights, Outstanding Number 86,425   86,425 99,425
Chief Financial Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Addtional Shares Issuable, Performance Goals Exceeded   5,344    
Chief Operating Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Addtional Shares Issuable, Performance Goals Exceeded   4,372    
Chief Commercial Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Addtional Shares Issuable, Performance Goals Exceeded   3,609    
Share-Based Payment Arrangement, Option [Member]        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 184   $ 184  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     2 years 2 months 12 days  
Restricted Stock Units (RSUs) [Member] | Vesting on February 17, 2024 [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.40%    
Restricted Stock Units (RSUs) [Member] | Vesting on February 17, 2025 [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.30%    
Restricted Stock Units (RSUs) [Member] | Vesting on February 17, 2026 [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.30%    
Restricted Stock Units (RSUs) [Member] | Employees [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years      
Restricted Stock Units (RSUs) [Member] | Non-employee Director [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 2 years      
Restricted Stock Units (RSUs) [Member] | Non-employee Director [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 1 year      
Short-Term Executive PSUs [Member] | Goals One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   90.00%    
Short-Term Executive PSUs [Member] | Goals One [Member] | Full Vesting Based on The Achievement of 2022 License Target [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   50.00%    
Short-Term Executive PSUs [Member] | Goals One [Member] | Increase in Eligible PSUs, Percent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Conditional Increase in Shares, Percentage   2.00%    
Short-Term Executive PSUs [Member] | Goals Two [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   25.00%    
Short-Term Executive PSUs [Member] | Goals Two [Member] | Increase in Eligible PSUs, Percent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Conditional Increase in Shares, Percentage   2.00%    
Short-Term Executive PSUs [Member] | Goals Two [Member] | Vesting Based on Actual Return Being at Least 90 Percent of S&P500 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   25.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   90.00%    
Short-Term Executive PSUs [Member] | Goals Two [Member] | Vesting Based on Actual Return In Excess of 100 Percent of S&P500 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   100.00%    
Short-Term Executive PSUs [Member] | Goals Three [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   25.00%    
Short-Term Executive PSUs [Member] | Goals Three [Member] | Increase in Eligible PSUs, Percent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Conditional Increase in Shares, Percentage   2.00%    
Short-Term Executive PSUs [Member] | Goals Three [Member] | Full Vesting Based on The Achievement of Positive Shareholder Return [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   25.00%    
Short-Term Executive PSUs [Member] | Goals Three [Member] | Vesting Based on Actual Return Being at Least 90 Percent of Russel 2000 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   90.00%    
Short-Term Executive PSUs [Member] | Goals Three [Member] | Vesting Based on Actual Return In Excess of 100 Percent of Russel 2000 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   100.00%    
Short-Term Executive PSUs [Member] | Vesting on February 16, 2025 [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.40%    
Short-Term Executive PSUs [Member] | Vesting on February 16, 2026 [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.30%    
Short-Term Executive PSUs [Member] | Vesting on February 16, 2027 [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   33.30%    
Short-Term Executive PSUs [Member] | Chief Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Addtional Shares Issuable, Performance Goals Exceeded, Percentage   60.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Addtional Shares Issuable, Performance Goals Exceeded   29,986    
Short-Term Executive PSUs [Member] | Chief Executive Officer [Member] | Goals One [Member] | Increase in Eligible PSUs, Percent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Conditional Increase in Shares, Percentage   3.00%    
Short-Term Executive PSUs [Member] | Chief Executive Officer [Member] | Goals Two [Member] | Increase in Eligible PSUs, Percent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Conditional Increase in Shares, Percentage   3.00%    
Short-Term Executive PSUs [Member] | Chief Executive Officer [Member] | Goals Three [Member] | Increase in Eligible PSUs, Percent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Conditional Increase in Shares, Percentage   3.00%    
Short-Term Executive PSUs [Member] | CFO, COO, and CCO [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Addtional Shares Issuable, Performance Goals Exceeded, Percentage   40.00%    
RSUs and PSUs [Member]        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 22,830   $ 22,830  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     1 year 7 months 6 days  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period     414,572  
Maximum [Member] | Short-Term Executive PSUs [Member] | Goals One [Member] | Vesting Based on Achievement In Excess of 90 Percent [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   99.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   99.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Actual Performance Results, in Excess of Performance Threshold, Percentage   120.00%    
Maximum [Member] | Short-Term Executive PSUs [Member] | Goals Two [Member] | Vesting Based on Actual Return Being at Least 90 Percent of S&P500 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   99.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   99.00%    
Maximum [Member] | Short-Term Executive PSUs [Member] | Goals Two [Member] | Vesting Based on Actual Return In Excess of 100 Percent of S&P500 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Actual Performance Results, in Excess of Performance Threshold, Percentage   120.00%    
Maximum [Member] | Short-Term Executive PSUs [Member] | Goals Three [Member] | Vesting Based on Actual Return Being at Least 90 Percent of Russel 2000 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   99.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   99.00%    
Maximum [Member] | Short-Term Executive PSUs [Member] | Goals Three [Member] | Vesting Based on Actual Return In Excess of 100 Percent of Russel 2000 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Actual Performance Results, in Excess of Performance Threshold, Percentage   120.00%    
Minimum [Member] | Short-Term Executive PSUs [Member] | Goals One [Member] | Vesting Based on Achievement In Excess of 90 Percent [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   91.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Actual Performance Results, in Excess of Performance Threshold, Percentage   1.00%    
Minimum [Member] | Short-Term Executive PSUs [Member] | Goals Two [Member] | Vesting Based on Actual Return Being at Least 90 Percent of S&P500 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   91.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   90.00%    
Minimum [Member] | Short-Term Executive PSUs [Member] | Goals Two [Member] | Vesting Based on Actual Return In Excess of 100 Percent of S&P500 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Actual Performance Results, in Excess of Performance Threshold, Percentage   1.00%    
Minimum [Member] | Short-Term Executive PSUs [Member] | Goals Three [Member] | Vesting Based on Actual Return Being at Least 90 Percent of Russel 2000 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   91.00%    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Threshold, Percentage   90.00%    
Minimum [Member] | Short-Term Executive PSUs [Member] | Goals Three [Member] | Vesting Based on Actual Return In Excess of 100 Percent of Russel 2000 Index [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Actual Performance Results, in Excess of Performance Threshold, Percentage   1.00%    
The2011 Stock Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Options and Stock Appreciation Rights Vesting Percentage, Year One 25.00%   25.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Remaining Vesting Period     36 months  
The2011 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Non-employee Director [Member] | Vesting After the First Anniversary Grant Date [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage   50.00%    
The2011 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   33,318    
The2011 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Financial Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   20,043    
The2011 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Operating Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   16,399    
The2011 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Commercial Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   13,535    
The2011 Stock Incentive Plan [Member] | Performance Share Units [Member] | Chief Executive Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   49,978    
The2011 Stock Incentive Plan [Member] | Performance Share Units [Member] | Chief Financial Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   13,362    
The2011 Stock Incentive Plan [Member] | Performance Share Units [Member] | Chief Operating Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   10,932    
The2011 Stock Incentive Plan [Member] | Performance Share Units [Member] | Chief Commercial Officer [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period   9,023    
The2011 Stock Incentive Plan [Member] | Maximum [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period     4 years  
Share-Based Payment Arrangement, Employee [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Options and Stock Appreciation Rights, Outstanding Number 0   0 0