Annual report pursuant to Section 13 and 15(d)

Note 5 - Employee Benefit Plan (Details Textual)

v3.21.2
Note 5 - Employee Benefit Plan (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 914,942 $ 838,946
First Level of Matching [Member]    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 100.00%  
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 3.00%  
Second Level Of Matching [Member]    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 50.00%  
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 3.00%