Quarterly report [Sections 13 or 15(d)]

Note 12 - Stock-based Compensation (Details Textual)

v3.26.1
Note 12 - Stock-based Compensation (Details Textual) - USD ($)
shares in Thousands, $ / shares in Thousands, $ in Thousands
3 Months Ended
May 16, 2025
Mar. 31, 2026
Mar. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)   0 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   0 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)   $ 0 $ 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value   $ 0 $ 0
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount   0  
Stock Issued During Period, Value, Employee Benefit Plan     236
Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested   32  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 173  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   1 year 1 month 13 days  
Equity Incentive Plan 2014 [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) 153    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)   468  
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)   1  
The 401(k) Plan [Member]      
Defined Contribution Plan, (Income) Expense   $ 265 $ 25
Defined Contribution Plan, Employer Matching Contribution, Percent of Match   50.00% 50.00%
Stock Issued During Period, Shares, Employee Benefit Plan (in shares)     37
Stock Issued During Period, Value, Employee Benefit Plan     $ 236