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Income Taxes (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Income Taxes |  |  |  |
Income tax benefit | $ (345,000) | $ (128,000) | $ (395,000) | $ (86,000)
Increase in income tax benefit | 273,000 |  | 273,000 |
Low-income housing tax credits | 29,000 | $ 50,000 | $ 58,000 | $ 99,000
Cumulative losses, lookback period |  |  | 2 years |
Valuation allowance | 0 |  | $ 0 |
Net deferred tax assets | $ 5,400,000 |  | $ 5,400,000 |
Federal |  |  |  |
Income Taxes |  |  |  |
Income tax rate |  |  | 21.00% |
California |  |  |  |
Income Taxes |  |  |  |
Income tax rate |  |  | 10.84% |

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