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Cover
Sep. 08, 2025
Entity Listings [Line Items]  
Document Type 8-K
Document Period End Date Sep. 08, 2025
Registrant Name CompoSecure, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39687
Entity Tax Identification Number 85-2749902
Entity Address, Address Line One 309 Pierce Street
Entity Address, City or Town Somerset
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08873
City Area Code (908)
Local Phone Number 518-0500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Central Index Key 0001823144
Common Stock  
Entity Listings [Line Items]  
Title of 12(b) Security Class A Common stock, par value $0.0001 per share
Trading Symbol CMPO
Security Exchange Name NASDAQ
Warrant  
Entity Listings [Line Items]  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one share of Class A Common Stock
Trading Symbol CMPOW
Security Exchange Name NASDAQ