Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 17, 2021
Document Information Line Items
Entity Registrant Name	COMSovereign Holding Corp.
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		68,365,748
Amendment Flag	false
Entity Central Index Key	0001178727
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Mar. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity File Number	333-150332
Entity Incorporation, State or Country Code	NV
Entity Interactive Data Current	Yes