Document And Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Feb. 15, 2015	Jun. 30, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	INTELLIGENT SYSTEMS CORP
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		8,958,028
Entity Public Float			$ 5,725,325
Amendment Flag	true
Amendment Description	The purpose of this Amendment No. 1 to this Annual Report on Form 10-K is to revise Note 7 to the Consolidated Financial Statements of Intelligent Systems Corporation (the "Company") to reflect a correction to certain tax calculations disclosed in the Note 7. The change affects only the disclosure in Note 7 and there has been no change to the previously reported consolidated financial statements as of and for the years ended December 31, 2014 and 2013. A new Note 18 explains the restatement in more detail. For the convenience of the reader, this Amendment No. 1 amends in its entirety the original filing of the Annual Report on Form 10-K. This Amendment No. 1 does not reflect events occurring after the February 18, 2015 original filing date of the Company's Annual Report on Form 10-K for the year ended December 31, 2014 or modify or update those disclosures set forth in that Annual Report on Form 10-K, except to reflect the revision to Note 7 and the addition of Note 18 of the Consolidated Financial Statements. The items of the Company's Annual Report on Form 10-K for the year ended December 31, 2014 that have been amended and restated herein are as follows: 1.Part II, Item 8. Financial Statements have been revised (Note 7 and Note 18 only) 2.Currently dated consent of Habif, Arogeti & Wynne, LLP has been filed. 3.Currently dated certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 have been filed. 4.Currently dated certifications pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 have been filed
Entity Central Index Key	0000320340
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY