Document and Entity Information	3 Months Ended
	Mar. 31, 2015	May 01, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Trading Symbol	PLX
Entity Registrant Name	PROTALIX BIOTHERAPEUTICS, INC.
Entity Central Index Key	0001006281
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		93,602,152