Document and Entity Information - USD ($)	9 Months Ended
	Dec. 31, 2016	Feb. 04, 2017	Sep. 30, 2016
Document and Entity Information:
Entity Registrant Name	Advansource Biomaterials Corp.
Document Type	10-Q
Document Period End Date	Dec. 31, 2016
Amendment Flag	false
Entity Central Index Key	0001011060
Current Fiscal Year End Date	--03-31
Entity Common Stock, Shares Outstanding		21,490,621
Entity Public Float			$ 1,614,296
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	asnb