Note 10 - Related Party Transactions (Details Textual) - Blender Media Inc [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Jul. 31, 2022
Related Party Transaction, Expenses from Transactions with Related Party	$ 5	$ 2	$ 83	$ 4
Due to Related Parties, Total	$ 0		$ 0		$ 3

Carrying amount as of the balance sheet date of obligations due all related parties.

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+ Details