Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Stockholder's Equity (Details Textual)

v3.20.2
Note 10 - Stockholder's Equity (Details Textual)
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2020
USD ($)
shares
May 31, 2020
USD ($)
shares
Mar. 31, 2020
USD ($)
shares
Sep. 30, 2020
shares
Sep. 30, 2020
USD ($)
shares
Sep. 30, 2019
USD ($)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)         691,820  
Proceeds from Issuance of Common Stock | $         $ 0 $ 29,380,000
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, Exercises in Period (in shares)       0  
Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 367,500          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $ $ 380,000          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         0  
Officers and Directors Purchase Plan [Member]            
Stock Issued During Period, Shares, New Issues (in shares)         5,453  
Proceeds from Issuance of Common Stock | $         $ 5,750  
The 2019 Stock Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $   $ 670,000        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Number of Installments   6        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)   3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         328,413  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Issued in Period (in shares)   1,970,475        
Company Employees [Member]            
Stock Issued During Period, Shares, New Issues (in shares)         1,776,680  
Company Employees [Member] | Restricted Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     830,000      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $     $ 280,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Number of Installments     3      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)     3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         0  
Company Employees [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)     1,293,164      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $     $ 440,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Number of Installments     6      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)     3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         355,018  
Board Members [Member]            
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)         325,242  
Prior Company Executive [Member]            
Stock Issued During Period, Shares, New Issues (in shares)         297,873  
Consultant [Member]            
Stock Issued During Period, Shares, Issued for Services (in shares)         23,078  
Employee [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)   17,500        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $   $ 16,000        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Number of Installments   3        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)   3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)         0