Energous Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Performance Share Units - Additional Information (Detail)

Stock Based Compensation - Performance Share Units - Additional Information (Detail) - Performance Share Units [Member] - USD ($)				6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Jul. 20, 2022	Jun. 30, 2023	Sep. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period				50,000
Share based compensation arrangement by share based payment award equity instruments other than options vested in period				0				135,575
Share based compensation arrangement by share based payment award unamortized value				$ 4,326
Share based compensation arrangement by share based payment award compensation cost not yet recognized, period for recognition				6 months
Mr. Johnston [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period			287,000		287,000			287,000
Share based compensation arrangement by share based payment award equity instruments other than options vested in period					287,000
Mr. Johnston [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation arrangement by share based payment award equity instruments other than options vested in period								187,000
Mr. Johnston [Member] \| Maximum [Member] \| Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation arrangement by share based payment award equity instruments other than options vested in period	50,000	50,000				50,000	50,000

- 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.

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+ Details