XML 57 R49.htm IDEA: XBRL DOCUMENT v3.23.3

Leases (Details Narrative)	Aug. 04, 2023 USD ($)
Leases
Future minimum lease payments	$ 9,333,953

X

- References

No definition available.

+ Details

Name:	grst_DisclosureLeasesAbstract
Namespace Prefix:	grst_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	grst_FutureMinimumLeasePayments
Namespace Prefix:	grst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant