Document And Entity Information (USD $)	12 Months Ended
	Jun. 30, 2011
Document and Entity Information [Abstract]
Entity Registrant Name	First American Scientific Corp.
Document Type	10-K
Current Fiscal Year End Date	--06-30
Entity Common Stock, Shares Outstanding	199,952,195
Entity Public Float	$ 185,940,495
Amendment Flag	false
Entity Central Index Key	0001002822
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jun. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY