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Notes Receivable (Details)	Mar. 31, 2023 USD ($)
Notes Receivable [Abstract]
Aggregate principal amount	$ 200,000

X

- Definition

The amount of aggregate principal amount.

+ References

No definition available.

+ Details

Name:	ohcs_AggregatePrincipalAmount
Namespace Prefix:	ohcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_ReceivablesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration