Ideal Power Inc. Annual report pursuant to Section 13 and 15(d)

Warrants (Details Textual) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2017	Mar. 03, 2017
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)	$ 2.535
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.535
Class Of Warrant Or Right, Expiration Period Of Warrants Or Rights	3 months
Warrants Not Settleable in Cash, Fair Value Disclosure	$ 4.7
Placement Agent Warrant [Member]
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)	$ 2.89
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.89
Class Of Warrant Or Right, Non-Exercisable Period Of Warrants Or Rights	12 years
Warrants Not Settleable in Cash, Fair Value Disclosure	$ 249,440.0
Class Of Warrant Or Number Of Securities	237,170
Private Placement [Member]
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)	$ 2.41
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.41
Class Of Warrant Or Number Of Securities	5,929,256	5,220,826