Cover - shares	3 Months Ended
	Mar. 31, 2024	May 10, 2024
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2024
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--12-31
Entity File Number	1-16525
Entity Registrant Name	CVD EQUIPMENT CORPORATION
Entity Central Index Key	0000766792
Entity Tax Identification Number	11-2621692
Entity Incorporation, State or Country Code	NY
Entity Address, Address Line One	355 South Technology Drive
Entity Address, City or Town	Central Islip
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	11722
City Area Code	(631)
Local Phone Number	981-7081
Title of 12(b) Security	Common Stock
Trading Symbol	CVV
Security Exchange Name	NASDAQ
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		6,824,511