v3.19.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2018
Nov. 01, 2018
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag true  
Amendment Description This Amendment No. 1 to Form 10-Q, or this Amendment, amends the Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2018 we originally filed with the Securities and Exchange Commission, or the Commission, on November 7, 2018, or the Original Filing.  
Document Period End Date Sep. 30, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Entity Registrant Name Protalix BioTherapeutics, Inc.  
Entity Central Index Key 0001006281  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Trading Symbol PLX  
Entity Common Stock, Shares Outstanding   148,374,921
Entity Emerging Growth Company false  
Entity Small Business false