Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.22.0.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2021
Mar. 10, 2022
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Trading Symbol BIOL    
Entity Registrant Name BIOLASE, INC.    
Entity Central Index Key 0000811240    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   154,340,703  
Entity Public Float     $ 103,837,004
Entity File Number 001-36385    
Entity Tax Identification Number 87-0442441    
Entity Address, Address Line One 27042 Towne Centre Drive    
Entity Address, Address Line Two Suite 270    
Entity Address, City or Town Lake Forest    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92610    
City Area Code 949    
Local Phone Number 361-1200    
Entity Incorporation, State or Country Code DE    
Entity Interactive Data Current Yes    
Title of 12(b) Security Common stock, par value $0.001 per share    
Security Exchange Name NASDAQ    
Document Annual Report true    
Document Transition Report false    
Auditor Name BDO USA, LLP    
Auditor Location Costa Mesa, California    
Auditor Firm ID 243    
Documents Incorporated by Reference Portions of the registrant’s definitive proxy statement related to its 2022 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission pursuant to Regulation 14A within 120 days after the registrant’s fiscal year ended December 31, 2021, are incorporated by reference into Part III of this Annual Report on Form 10-K.