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Federal Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | ---
Deferred Tax Assets |  |
Allowance for loan losses | $ 2,440 | $ 1,550
Allowance for OREO losses | 171 | 218
OTTI credit impairment on investment securities | 64 | 97
Accrued interest on loans | 8 | 76
Deferred compensation and bonuses | 372 | 520
Reserve for loan commitments | 81 | 51
Lease liability | 552 | 0
Other | 69 | 82
Total deferred tax assets | 3,757 | 2,594
Deferred Tax Liabilities |  |
Goodwill | 1,187 | 1,187
Servicing rights | 650 | 506
Depreciation | 778 | 494
Loan fees/costs | 428 | 267
FHLB stock dividends | 81 | 82
Prepaid expenses | 98 | 70
Purchase accounting adjustment | 207 | 110
Net unrealized gains on investment securities and investments in equity securities | 23 | 15
Right of use asset | 543 | 0
Total deferred tax liabilities | 3,995 | 2,731
Net deferred tax assets (liabilities) | $ (238) | $ (137)

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