Document and Entity Information - shares	9 Months Ended
	Mar. 31, 2020	May 06, 2020
Document and Entity Information [Abstract]
Entity Registrant Name	MISONIX INC
Entity Central Index Key	0000880432
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		17,361,685
Entity File Number	1-10986
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	NY