v3.25.2
Document and Entity Information
Jul. 22, 2025
Document and Entity Information [Abstract]  
Document Type 8-K
Document Period End Date Jul. 22, 2025
Entity Registrant Name INNOVATIVE SOLUTIONS AND SUPPORT, INC.
Entity Incorporation, State or Country Code PA
Entity File Number 001-41503
Entity Tax Identification Number 23-2507402
Entity Address, Address Line One 720 Pennsylvania Drive
Entity Address, City or Town Exton
Entity Address State Or Province PA
Entity Address, Postal Zip Code 19341
City Area Code 610
Local Phone Number 646-9800
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol ISSC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0000836690
Amendment Flag false