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SEGMENT INFORMATION - Schedule of Revenue from External Customers by Products and Services (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025
Revenues by product line:
Revenues	$ 16,890	$ 18,927	$ 47,829	$ 49,825
Satellite Revenue [Member]
Revenues by product line:
Revenues	4,232	11,190	15,419	28,843
Government Non-Space Revenue [Member]
Revenues by product line:
Revenues	12,478	7,370	31,230	19,507
Other Commercial & Industrial Revenue [Member]
Revenues by product line:
Revenues	$ 180	$ 367	$ 1,180	$ 1,475

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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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