Prepaid Expenses and Deposits (Narrative) (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Prepaid Expense and Deposits [Abstract]
Costs primarily for professional services to be expensed as stock-based compensation	$ 108,000	$ 216,000

Costs primarily for professional services to be expensed as stock-based compensation

No definition available.

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Namespace Prefix:	susg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant