XML 50 R38.htm IDEA: XBRL DOCUMENT v3.23.1
Note 5 - Share-based Compensation (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 22, 2022
Jun. 22, 2018
Sep. 07, 2017
Mar. 31, 2023
Mar. 31, 2022
Stock Issued During Period, Value, Issued for Services           $ 207,000 $ 17,000
Share Price (in dollars per share) $ 0.20         $ 0.20  
2018 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)       10 years      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) 50,000,000     40,000,000   50,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Per Year (in shares)       2,000,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           1,320,498 2,621,229
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 0.2 $ 0.23
The 2007 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)         10 years    
Non Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           48,804 32,609
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 0.20 $ 0.23
Share-Based Payment Arrangement, Option [Member] | Clyra Medical Technologies [Member]              
Share-Based Payment Arrangement, Expense           $ 61,000 $ 141,000
Selling, General and Administrative Expenses [Member]              
Share-Based Payment Arrangement, Expense           256,000 $ 801,000
Officer [Member]              
Stock Issued During Period, Value, Issued for Services           $ 6,000  
Stock Issued During Period, Shares, Issued for Services (in shares)           30,747  
Shares Issued, Price Per Share (in dollars per share) $ 0.20         $ 0.20  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Minimum Cash Amount Receipt           $ 3,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Minimum Revenue Required           $ 3,000,000  
Consultants [Member]              
Stock Issued During Period, Value, Issued for Services $ 201,000 $ 17,000          
Stock Issued During Period, Shares, Issued for Services (in shares) 899,743 86,752          
Shares Issued, Price Per Share (in dollars per share) $ 0.20 $ 0.23       $ 0.20 $ 0.23
Consultants [Member] | 2018 Equity Incentive Plan [Member]              
Stock Issued During Period, Value, Issued for Services             $ 97,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           102,564 447,032
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value           $ 19,000  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 0.20  
Employees, Consultants, Officers, and Directors [Member] | 2018 Equity Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           1,320,498 2,621,229
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value           $ 248,000 $ 564,000
Director [Member] | 2018 Equity Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           347,730 444,092
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value           $ 65,000 $ 96,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 0.20 $ 0.23
Employees [Member] | 2018 Equity Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           570,204 1,690,257
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value           $ 108,000 $ 362,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 0.20 $ 0.23
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)           4 years 4 years
Chief Financial Officer [Member] | 2018 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)     10 years        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)     300,000     300,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value           $ 56,000  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)     $ 0.20        
Term Extension (Year)     1 year        
Share-based Compensation Arrangement By Share-based Payment Award, Options Grants Per Month, Gross (in shares)     25,000        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)     25,000        
CFO and President [Member] | 2018 Equity Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)             39,848
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value             $ 9,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)             $ 0.23
Vendors [Member] | Non Plan [Member]              
Share-Based Payment Arrangement, Expense           $ 9,000 $ 7,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           48,804 32,609
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 0.20 $ 0.23