XML 74 R63.htm IDEA: XBRL DOCUMENT v3.24.0.1

Stockholders Equity (Details) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Exercise Price 1 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
[custom:NumberOfWarrantsnonplanOptionsOne-0]	25,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 5.00	$ 3.32
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	8 years 1 month 24 days	8 years 10 months 24 days
Exercise Prices [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	1 year 10 months 9 days
Exercise Price 2 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 3.32	$ 2.90
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	1 year 1 month 9 days	1 year 10 months 9 days
[custom:NumberOfWarrantsnonplanOptionsTwo-0]	521,825
Exercise Price 3 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.90	$ 3.32
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	1 year 1 month 9 days	1 year 10 months 9 days
[custom:NumberOfWarrantsnonplanOptionsThree-0]	78,000
Exercise Price 4 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 3.32	$ 9.10
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms	3 years 6 months	4 years 3 months
[custom:NumberOfWarrantsnonplanOptionsFour-0]	30,000
Exercise Price 5 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 9.10
[custom:NumberOfWarrantsnonplanOptionsFour-0]	148,005

X

- References

No definition available.

+ Details

Name:	XPON_NumberOfWarrantsnonplanOptionsFour
Namespace Prefix:	XPON_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	XPON_NumberOfWarrantsnonplanOptionsOne
Namespace Prefix:	XPON_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	XPON_NumberOfWarrantsnonplanOptionsThree
Namespace Prefix:	XPON_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	XPON_NumberOfWarrantsnonplanOptionsTwo
Namespace Prefix:	XPON_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=XPON_ExercisePrice1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=XPON_ExercisePricesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=XPON_ExercisePrice2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=XPON_ExercisePrice3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=XPON_ExercisePrice4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=XPON_ExercisePrice5Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: