Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands	Jun. 30, 2026	Mar. 27, 2026
Subsequent Events [Abstract]
Bid price		$ 1
Aggregate tax-inclusive contract value	$ 3,690

The amount of Aggregate tax inclusive contract value.

No definition available.

Name:	dtss_AggregateTaxInclusiveContractValue
Namespace Prefix:	dtss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant