PREPAYMENTS, RECEIVABLES AND OTHER ASSETS - Additional information (Details) - USD ($)	Dec. 31, 2019	Apr. 15, 2019	Mar. 31, 2019
PREPAYMENTS, RECEIVABLES AND OTHER ASSETS
Allowance for doubtful receivables	$ 3,749,284
Allowance for Doubtful Other Receivables, Current	$ 143,796		$ 2,995
Sale Of Aggregate Principal Amount Of Our Equity		$ 80,000,000

Amount classified as other receivables attributable to disposal group held for sale or disposed of, expected to be disposed of.

No definition available.

Name:	aihs_DisposalGroupIncludingDiscontinuedOperationOtherReceivables
Namespace Prefix:	aihs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant