General form of registration statement for all companies including face-amount certificate companies

Note 8 - 2019 Equity Incentive Plan (Details Textual)

v3.24.4
Note 8 - 2019 Equity Incentive Plan (Details Textual) - The 2019 Plan [Member] - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 67 Months Ended
Mar. 31, 2024
May 31, 2020
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Sep. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) 1,171,768 1,000,000              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)     2,782,809   2,782,809   1,690,000   2,782,809
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)         568,097   608,388 0 2,149,138
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)     633,671   633,671   30,000   633,671
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)         4 years   4 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)         10 years   10 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value     $ 69,000   $ 69,000   $ 494,000   $ 69,000
Share-Based Payment Arrangement, Expense     199,000 $ 154,000 562,000 $ 454,000 603,000 $ 427,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount     1,600,000   $ 1,600,000   $ 1,200,000   1,600,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)         3 years   2 years 8 months 12 days    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value     69,000   $ 69,000   $ 470,000   $ 69,000
General and Administrative Expense [Member]                  
Share-Based Payment Arrangement, Expense     52,000 13,000 126,000 42,000 55,000 80,000  
Research and Development Expense [Member]                  
Share-Based Payment Arrangement, Expense     $ 147,000 $ 141,000 $ 436,000 $ 412,000 $ 548,000 $ 347,000