Document and Entity Information - shares	6 Months Ended
	Dec. 31, 2019	Feb. 05, 2020
Document And Entity Information
Entity Registrant Name	BIOVIE INC.
Entity Central Index Key	0001580149
Document Type	10-Q
Document Period End Date	Dec. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		5,194,924
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2020
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Incorporation, State or Country Code	NV
Entity File Number	001-39015
Entity Interactive Data Current	Yes