Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	Aug. 24, 2020
Document And Entity Information
Entity Registrant Name	CPI AEROSTRUCTURES INC
Entity Central Index Key	0000889348
Document Type	10-Q/A
Entity Incorporation, State or Country Code	NY
Entity File Number	1-11398
Document Period End Date	Mar. 31, 2019
Amendment Flag	true
Amendment Description	This Amendment No. 1 to our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019 (this "Quarterly Report on Form 10-Q/A") is being filed to amend and restate certain items presented in our Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2019, which was initially filed with the Securities and Exchange Commission (the "SEC") on May 10, 2019 (the "Original Form 10-Q").
Current Fiscal Year End Date	--12-31
Entity's Reporting Status Current	No
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		11,876,610
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2019