Current report filing

Cover

v3.22.2.2
Cover
Aug. 18, 2022
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 18, 2022
Entity File Number 001-15957
Entity Registrant Name CAPSTONE GREEN ENERGY CORPORATION
Entity Central Index Key 0001009759
Entity Tax Identification Number 95-4180883
Entity Incorporation, State or Country Code DE
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
Entity Emerging Growth Company false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol CGRN
Security Exchange Name NASDAQ
Series B Junior Participating Preferred Stock Purchase Rights  
Document Information [Line Items]  
Title of 12(b) Security Series B Junior Participating Preferred Stock Purchase Rights
No Trading Symbol Flag true