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Note 14 - Income Taxes | 3 Months Ended
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Mar. 31, 2023
Notes to Financial Statements |
Income Tax Disclosure [Text Block] | Note 14. Income Taxes For the three and six months ended March 31, 2023, the Company recorded income tax expense of $2,974,000 and $6,669,000 reflecting an effective tax rate of 22.3% and 21.3%, respectively. The difference between the effective tax rate and the statutory tax rate for the three and six months ended March 31, 2023 was primarily related to excess tax benefits from non-qualified stock option exercises and vesting of restricted stock, Section 162(m) compensation deduction limitations, foreign derived intangibles income (FDII) deduction, and research and development credits. For the three and six months ended March 31, 2022, the Company recorded income tax expense of $2,816,000 and $5,596,000, reflecting an effective tax rate of 23.4% and 22.2%, respectively. The difference between the effective tax rate and the statutory tax rate for the three and six months ended March 31, 2022 was primarily related to excess tax benefits from restricted stock vesting during the period, Section 162(m) compensation deduction limitations, other nondeductible expenses, foreign derived intangibles income deduction, and research and development credits. Deferred taxes recognize the impact of temporary differences between the amounts of the assets and liabilities recorded for financial statement purposes and these amounts measured in accordance with tax laws. The Company’s realization of deferred tax temporary differences is contingent upon future taxable earnings. The Company reviewed its deferred tax asset for expected utilization using a “more likely than not” criteria by assessing the available positive and negative factors surrounding its recoverability and determined that as of March 31, 2023 and September 30, 2022, a valuation allowance against the deferred tax assets is not required. The Company will continue to assess the need for a valuation allowance based on changes in assumptions of estimated future income and other factors in future periods. As of March 31, 2023, the Company does not have any unrecognized tax benefits. It is the Company’s practice to recognize interest and penalties accrued on any unrecognized tax benefits as a component of income tax expense. The Company does not expect any material changes in its unrecognized tax positions over the next 12 months.

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