Document and Entity Information - shares	6 Months Ended
	Dec. 31, 2018	Jan. 24, 2019
Document And Entity Information
Entity Registrant Name	MISONIX INC
Entity Central Index Key	0000880432
Document Type	10-Q
Trading Symbol	MSON
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity's Reporting Status Current	Yes
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Ex Transition Period	false
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		9,587,303
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2019