Annual report pursuant to Section 13 and 15(d)

Cover Page

Cover Page - USD ($)
12 Months Ended
Dec. 31, 2023
Apr. 10, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 000-12627    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 87-0407858    
Entity Address, Address Line One 2790 Skypark Drive    
Entity Address, Address Line Two Suite 105    
Entity Address, City or Town Torrance    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90505    
City Area Code 310    
Local Phone Number 641-4234    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 31,932,000
Entity Common Stock, Shares Outstanding   50,182,233  
Entity Central Index Key 0000748790    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Amendment Flag false