Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Feb. 28, 2018	Jun. 30, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	PRGX GLOBAL, INC.
Entity Central Index Key	0001007330
Document Type	10-K/A
Document Period End Date	Dec. 31, 2017
Amendment Flag	true
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 130.1
Entity Common Stock, Shares Outstanding		22,401,917
Amendment Description	This Amendment No. 1 is being filed solely for the purpose of inserting the conformed signature of independent auditors on their report, which was inadvertently omitted from the initial filing. Except for this correction, there have been no changes in any of the financial or other information contained in the report. For convenience, the entire Annual Report on Form 10-K, as amended, is being re-filed.