| Cover | Mar. 10, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 10, 2022 |
| Entity File Number | 001-36216 |
| Entity Registrant Name | IDEAL POWER INC. |
| Entity Central Index Key | 0001507957 |
| Entity Tax Identification Number | 14-1999058 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 5508 Highway 290 West |
| Entity Address, Address Line Two | Suite 120 |
| Entity Address, City or Town | Austin |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 78735 |
| City Area Code | 512 |
| Local Phone Number | 264-1542 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | IPWR |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
