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Business Acquisitions - Consideration transferred (Details) - USD ($)	Sep. 30, 2025	Jun. 30, 2026
AMPX Ltd
Business Acquisitions
Non-controlling interest ownership		25.00%
Grid AI Corp.
Business Acquisitions
Total consideration paid	$ 27,100,000
Non-controlling interest fair value	5,300,000
Payments to acquire businesses gross	$ 0
Grid AI Corp. \| AMPX Ltd
Business Acquisitions
Non-controlling interest ownership	25.00%
Grid AI Corp. \| Common Stock
Business Acquisitions
Number of shares issued	424,348
Fair value of shares issued	$ 2,100,000
Grid AI Corp. \| Convertible Preferred Stock \| Minimum
Business Acquisitions
Number of common shares issuable upon conversion	38,801,546
Grid AI Corp. \| Convertible Preferred Stock \| Series H Preferred Stock
Business Acquisitions
Number of shares issued	38,801.546
Fair value of shares issued	$ 25,000,000
Grid AI Corp. \| Convertible Preferred Stock \| Series H Preferred Stock \| Minimum
Business Acquisitions
Number of common shares issuable upon conversion	38,801,546
IMGX
Business Acquisitions
Goodwill	$ 22,400,000