Document and Entity Information (USD $)	12 Months Ended
	Jun. 30, 2013	Sep. 26, 2013	Dec. 31, 2012
Document and Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Entity Registrant Name	INTERNET AMERICA INC
Entity Central Index Key	0001001279
Current Fiscal Year End Date	--06-30
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2013
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		16,729,562
Entity Public Float			$ 2,679,586
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes