Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Mar. 23, 2022
Jun. 30, 2021
Document and Entity Information [Abstract]        
Document Type 10-K      
Document Period End Date Dec. 31, 2021      
Document Annual Report true      
Document Transition Report false      
Entity File Number 001-36216      
Entity Registrant Name IDEAL POWER INC.      
Entity Incorporation, State or Country Code DE      
Entity Tax Identification Number 14-1999058      
Entity Address, Address Line One 5508 Highway 290 West, 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      
Title of 12(g) Security Common Stock, par value $0.001 per share      
Trading Symbol IPWR      
Security Exchange Name NASDAQ      
Entity Current Reporting Status Yes      
Entity Interactive Data Current Yes      
Entity Filer Category Non-accelerated Filer      
Entity Small Business true      
Entity Emerging Growth Company false      
Entity Shell Company false      
Entity Common Stock, Shares Outstanding     5,903,797  
Entity Central Index Key 0001507957      
Current Fiscal Year End Date --12-31      
Document Fiscal Year Focus 2021      
Document Fiscal Period Focus FY      
Amendment Flag false      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
Entity Public Float       $ 74,578,861
Auditor Name BPM LLP Gumbiner Savett Inc.    
Auditor Firm ID 207 285    
Auditor Location Santa Monica, California Santa Monica, California