Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 29, 2024	Jun. 30, 2023
Cover [Abstract]
Entity Registrant Name	SCIENTIFIC INDUSTRIES, INC.
Entity Central Index Key	0000087802
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2023
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Entity Common Stock Shares Outstanding		10,503,599
Entity Public Float			$ 17,402,152
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	false
Entity File Number	0-6658
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	04-2217279
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
Icfr Auditor Attestation Flag	true
Local Phone Number	567-4700
Security 12g Title	Common stock, $.05 par value
Entity Interactive Data Current	Yes
Auditor Firm Id	339
Auditor Location	New York, NY
Auditor Name	Mazars USA LLP