XML 29 R17.htm IDEA: XBRL DOCUMENT v3.22.1

Other non-current assets	12 Months Ended
	Dec. 31, 2021
Other non-current assets [Abstract]
Other non-current assets	10.  Other non-current assets Other non-current assets as of December 31, 2021 are mostly comprised of advances to suppliers for the acquisition of fixed assets of $2,198,995 and guarantees paid as a security for the rental of premises of $214,259.

X

- Definition

The entire disclosure for other non-current assets.

+ References

No definition available.

+ Details

Name:	adn_OtherNonCurrentAssetsTextBlock
Namespace Prefix:	adn_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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