XML 11 R1.htm IDEA: XBRL DOCUMENT v3.23.2
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2023
Aug. 10, 2023
Document Information Line Items    
Entity Registrant Name QUANTUM COMPUTING INC.  
Trading Symbol QUBT  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   74,296,370
Amendment Flag false  
Entity Central Index Key 0001758009  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Jun. 30, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-40615  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 82-4533053  
Entity Address, Address Line One 215 Depot Court SE,  
Entity Address, Address Line Two Suite 215  
Entity Address, City or Town Leesburg  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 20175  
City Area Code (703)  
Local Phone Number 436-2121  
Title of 12(b) Security Common Stock, par value $.0001  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes