Document and Entity Information - shares	3 Months Ended
	Sep. 30, 2017	Nov. 02, 2017
Document and Entity Information:
Entity Registrant Name	DYNATRONICS CORP
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Trading Symbol	dynt
Amendment Flag	false
Entity Central Index Key	0000720875
Current Fiscal Year End Date	--06-30
Entity Common Stock, Shares Outstanding		4,920,736
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1