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Note 14 - Concentration | 3 Months Ended
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Jul. 31, 2023
Notes to Financial Statements |
Concentration Risk Disclosure [Text Block] | Note 14 - Concentration: During the three months ended July 31, 2023, 33.7% of total publishing revenues of $9,743,000 were derived from a single customer.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 275 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//275/tableOfContent + Details
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