Property and Equipment, Net - Schedule of Movement of Impairment for Property and Equipment (Details) - USD ($)	6 Months Ended
Dec. 31, 2024	Jun. 30, 2024
Schedule of Movement of Impairment for Property and Equipment [Abstract]
Beginning balance	$ 997,209	$ 1,233,521
Less: Write-off	(906,451)	(236,312)
Ending balance	$ 90,758	$ 997,209

Amount of property plant and equipment impairment reserve.

No definition available.

Name:	sgly_PropertyPlantAndEquipmentImpairmentReserve
Namespace Prefix:	sgly_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant