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Shareholder Promissory Notes (Details Narrative) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Shareholder Promissory Notes
Interest paid to the shareholders	$ 82,508	$ 92,007

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- References

No definition available.

+ Details

Name:	XPON_DisclosureShareholderPromissoryNotesAbstract
Namespace Prefix:	XPON_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Carrying amount of equity interests owned by noncontrolling shareholders, partners, or other equity holders in one or more of the entities consolidated into the reporting entity's financial statements other than joint ventures, limited partnerships, operating partnerships or interests held by preferred unit holders.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherMinorityInterests
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant