| Note 14 - Related Party Transactions (Details Textual) - MIH Learnings B.V [Member] - Off-the-shelf Products [Member] $ in Millions | 1 Months Ended | 
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| Dec. 31, 2022  USD ($) | |
| Contractual Obligation, Total | $ 0.7 | 
| Contractual Obligation, Period (Year) | 3 years | 
| X | ||||||||||
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- Definition The period of contractual obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. No definition available. 
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| X | ||||||||||
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- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Details 
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- Details 
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