Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Jun. 05, 2022	Jun. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0000319458
Entity Registrant Name	Enservco Corporation
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-36335
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-0811316
Entity Address, Address Line One	14133 County Road 9 1/2
Entity Address, City or Town	Longmont
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80504
City Area Code	303
Local Phone Number	333-3678
Title of 12(b) Security	Common stock, $0.005 par value
Trading Symbol	ENSV
Security Exchange Name	NYSEAMER
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 17,300,000
Entity Common Stock, Shares Outstanding		11,491,623
Auditor Name	Plante & Moran, PLLC
Auditor Location	Denver, CO
Auditor Firm ID	166