Note 19 - Paycheck Protection Program Loan	12 Months Ended
Apr. 30, 2024
Paycheck Protection Program CARES Act [Member]
Notes to Financial Statements
Long-Term Debt [Text Block]	Note 19 - Paycheck Protection Program Loan: Shortly after declaration of the COVID-19 pandemic and "lockdowns" of numerous non-essential businesses, the Company in April of 2020 executed a note and received a loan (the "PPP Loan") from JP Morgan Chase Bank under the Paycheck Protection Program ("PPP") which was established under the Coronavirus Aid, Relief, and Economic Security Act (the "CARES Act") and was administered by the U.S. Small Business Administration ("SBA"). The proceeds from the PPP Loan were used in accordance with the terms of the CARES Act program. Under the terms of the CARES Act, Borrowers could apply for and be granted forgiveness for all or a portion of the PPP Loan. Such forgiveness is determined, subject to limitations, based on the use of loan proceeds in accordance with the terms of the CARES Act. The Company was granted total loan forgiveness of $2,331,365 by the SBA during the second quarter of fiscal 2022. Accrued interest was also forgiven.

Note 19 - Paycheck Protection Program Loan

12 Months Ended

Apr. 30, 2024

Paycheck Protection Program CARES Act [Member]

Note 19 - Paycheck Protection Program Loan:

Shortly after declaration of the COVID-19 pandemic and "lockdowns" of numerous non-essential businesses, the Company in April of 2020 executed a note and received a loan (the "PPP Loan") from JP Morgan Chase Bank under the Paycheck Protection Program ("PPP") which was established under the Coronavirus Aid, Relief, and Economic Security Act (the "CARES Act") and was administered by the U.S. Small Business Administration ("SBA"). The proceeds from the PPP Loan were used in accordance with the terms of the CARES Act program.

Under the terms of the CARES Act, Borrowers could apply for and be granted forgiveness for all or a portion of the PPP Loan. Such forgiveness is determined, subject to limitations, based on the use of loan proceeds in accordance with the terms of the CARES Act. The Company was granted total loan forgiveness of $2,331,365 by the SBA during the second quarter of fiscal 2022. Accrued interest was also forgiven.