Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 09, 2022	Jun. 30, 2021
Document Information Line Items
Entity Registrant Name	Sensus Healthcare, Inc.
Trading Symbol	SRTS
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		16,657,048
Entity Public Float			$ 51,364,009
Amendment Flag	false
Entity Central Index Key	0001494891
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	false
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-37714
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-1647271
Entity Address, Address Line One	851 Broken Sound Pkwy
Entity Address, Address Line Two	NW #215, Boca Raton
Entity Address, City or Town	Florida
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33487
City Area Code	(561)
Local Phone Number	922-5808
Title of 12(b) Security	Common Stock, par value $0.01 per share
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Auditor Firm ID	688
Auditor Name	Marcum llp
Auditor Location	Fort Lauderdale, FL