XML 128 R40.htm IDEA: XBRL DOCUMENT v3.25.2

Income taxes (Details Narrative)	6 Months Ended
	Jun. 30, 2025
Income Tax Disclosure [Abstract]
Percentage of taxable income	80.00%

X

- Definition

Percentage of taxable income.

+ References

No definition available.

+ Details

Name:	GNTA_PercentageOfTaxableIncome
Namespace Prefix:	GNTA_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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