Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Aug. 07, 2019
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Trading Symbol BIOL  
Entity Registrant Name BIOLASE, INC  
Entity Central Index Key 0000811240  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   21,866,197
Entity Current Reporting Status Yes  
Entity File Number 001-36385  
Entity Tax Identification Number 870442441  
Entity Address, Address Line One 4 Cromwell  
Entity Address, City or Town Irvine  
Entity Address, State or Province California  
Entity Address, Postal Zip Code 92618  
City Area Code 949  
Local Phone Number 361-1200