v3.25.2
Document and Entity Information
Jun. 27, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 27, 2025
Entity Registrant Name CAPSTONE GREEN ENERGY HOLDINGS, INC.
Entity Incorporation, State or Country Code DE
Securities Act File Number 001-15957
Entity Tax Identification Number 20-1514270
Entity Address, Address Line One 16640 Stagg Street,
Entity Address, City or Town Van Nuys
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91406
City Area Code 818
Local Phone Number 734-5300
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 CGEH
Entity Emerging Growth Company false
Entity Central Index Key 0001009759
Amendment Flag false