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Schedule of Revenue Recognizes From Operating Lease Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Revenue	$ 734	$ 484	$ 1,752	$ 1,003
Accounting Standards Update 2014-09 [Member]
Revenue	559	484	1,562	1,003
Accounting Standards Update 2016-02 [Member]
Revenue	$ 175		$ 190

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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