Note 8 - Subsequent Events (Details Textual) - Aegis Capital Corporation [Member] - Subsequent Event [Member] $ in Millions	Jul. 29, 2026 USD ($)
Waiver of Rights of First Refusal, Payment	$ 0.7
Waiver of Tail Fees	$ 0.3

Amount paid for a waiver of rights of first refusal.

No definition available.

Name:	sle_WaiverOfRightsOfFirstRefusalPayment
Namespace Prefix:	sle_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant