Annual report pursuant to Section 13 and 15(d)

Note G - Employee Benefit Plan (Details Textual)

v3.19.3
Note G - Employee Benefit Plan (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 702,202 $ 654,001 $ 652,615
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%