Consolidated Balance Sheets: Fair value of derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair Value of Derivative asset (Commodity)	$ 144	$ 1
Embedded Derivative Financial Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of Derivative liability (Conversion feature of convertible notes)		$ (26,244)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details