v3.10.0.1
Document and Entity Information - shares
3 Months Ended
Sep. 30, 2018
Oct. 01, 2018
Text Block [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2018  
Entity Registrant Name GALAXY NEXT GENERATION, INC.  
Entity Central Index Key 0001127993  
Current Fiscal Year End Date --06-30  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2019  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   9,656,723
Entity Small Business true  
Entity Emerging Growth Company false