Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Income Taxes (Details Textual)

v3.10.0.1
Note 9 - Income Taxes (Details Textual) - USD ($)
3 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2018
Income Tax Expense (Benefit), Total $ 296,000 $ (203,000)  
Effective Income Tax Rate Reconciliation, Percent, Total 22.70% (27.40%)  
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability   $ (384,000)  
Unrecognized Tax Benefits, Ending Balance $ 0    
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards, Valuation Allowance, Total $ 105,000   $ 105,000
State and Local Jurisdiction [Member] | Deferred Tax Assets Related to Operating Loss Carryforwards [Member]      
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   $ 32,000