Cover - shares	9 Months Ended
	Mar. 31, 2022	May 02, 2022
Cover [Abstract]
Entity Registrant Name	SCIENTIFIC INDUSTRIES, INC.
Entity Central Index Key	0000087802
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Mar. 31, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		7,003,599
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	0-6658
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	04-2217279
Entity Interactive Data Current	Yes
Entity Address Address Line 1	80 Orville Drive
Entity Address Address Line 2	Suite 102
Entity Address City Or Town	Bohemia
Entity Address State Or Province	NY
Entity Address Postal Zip Code	11716
City Area Code	631
Local Phone Number	567-4700