Document and Entity Information (USD $)	12 Months Ended
	Jun. 30, 2014	Sep. 08, 2014	Dec. 31, 2013
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jun. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Entity Registrant Name	pSivida Corp.
Entity Central Index Key	0001314102
Current Fiscal Year End Date	--06-30
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		29,337,595
Entity Public Float			$ 106,135,000