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Consolidated Statements of Cash Flows (Parenthetical)	Dec. 31, 2023
Statement of Cash Flows [Abstract]
Notes payable percent	11.875%

X

- Definition

Notes payable percent.

+ References

No definition available.

+ Details

Name:	HROW_NotesPayablePercent
Namespace Prefix:	HROW_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

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