Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2021
Apr. 06, 2022
Jun. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Entity File Number 001-40710    
Entity Registrant Name ROTH CH ACQUISITION IV CO    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 83-3583873    
Entity Address, Address Line One 888 San Clemente Drive, Suite 400    
Entity Address, City or Town Newport Beach    
Entity Address State Or Province CA    
Entity Address, Postal Zip Code 92660    
City Area Code 949    
Local Phone Number 720-5700    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
ICFR Auditor Attestation Flag false    
Entity Ex Transition Period false    
Entity Shell Company true    
Entity Common Stock, Shares Outstanding   14,836,500  
Entity Central Index Key 0001855447    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false    
Transition Report false    
ICFR Auditor Attestation Flag false    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Auditor Name Marcum LLP    
Auditor Firm ID 688    
Auditor Location Houston, Texas    
Entity Public Float     $ 0
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock    
Trading Symbol ROCG    
Security Exchange Name NASDAQ    
Document Information [Line Items]      
Title of 12(b) Security Warrants    
Trading Symbol ROCGW    
Security Exchange Name NASDAQ    
Document Information [Line Items]      
Title of 12(b) Security Units    
Trading Symbol ROCGU    
Security Exchange Name NASDAQ