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

Note 4 - Income Taxes (Details Textual)

v3.22.2.2
Note 4 - Income Taxes (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount $ 37,018,000 $ 31,119,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 36,033,000 30,737,000
Deferred Tax Assets, Tax Credit Carryforwards, Other 2,740 3,152
Deferred Tax Assets, Tax Credit Carryforwards, Research 946,158 928,734
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 1,626,000 1,459,000
Expire In 2026 [Member]    
Deferred Tax Assets, Operating Loss Carryforwards, State and Local   21,750,000
Expire In 2028 [Member]    
Deferred Tax Assets, Tax Credit Carryforwards, Other 15,268,000 9,369,000
Deferred Tax Assets, Tax Credit Carryforwards, Research 643,000 557,000
Expire In 2023 [Member]    
Deferred Tax Assets, Tax Credit Carryforwards, Research $ 384,000 $ 345,000