Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Nov. 12, 2018
Document And Entity Information
Entity Registrant Name	INFORMATION ANALYSIS INC
Entity Central Index Key	0000803578
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding		11,201,760
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2018