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Income Taxes
 3 Months Ended
Jul. 31, 2024
Income Tax Disclosure [Abstract]  
Income Taxes . Income Taxes
Income tax expense of $192,000 and $897,000 was recorded for the three months ended July 31, 2024 and July 31, 2023, respectively. The effective tax rate was 7.9% and 26.3% for the three months ended July 31, 2024 and July 31, 2023, respectively. The effective tax rate for the current three month period reflects the impact of foreign operations which are taxed at different rates than the U.S. tax rate of 21%, combined with expected current year tax expense for the Company's domestic operations. In addition, the income tax expense recorded for the three months ended July 31, 2024 was favorably impacted by a discrete tax benefit of $421,000 resulting from the issuance of stock through the vesting of restricted stock units and the exercise of stock options during the quarter.
In August 2019, the Company revoked its indefinite reinvestment of foreign unremitted earnings position in compliance with ASC 740 "Income Taxes" and terminated its indefinite reinvestment of unremitted earnings assertion for the Singapore and Kewaunee Labway India Pvt. Ltd. international subsidiaries. The Company has a deferred tax liability of $1,626,000 and $1,572,000 for the withholding tax related to Kewaunee Labway India Pvt. Ltd. as of July 31, 2024 and April 30, 2024, respectively.