Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2020	Oct. 02, 2020
Document And Entity Information
Entity Registrant Name	SCIENTIFIC INDUSTRIES INC
Entity Central Index Key	0000087802
Document Type	10-K
Document Period End Date	Jun. 30, 2020
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,861,263
Public Float		$ 7,436,000
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	DE
Entity File Number	0-6658