Note 9 - Commitments and Contingencies Loss Contingencies (Details)	6 Months Ended
	Jun. 30, 2012 Pending Litigation [Member] June 2008, Paris France, Court of Commerce Ruling [Member] EUR (€)	Jun. 30, 2012 Pending Litigation [Member] November 2009, Paris France, Court of Commerce Ruling [Member] EUR (€)	Jun. 30, 2012 Pending Litigation [Member] September 2010, Paris France, Court Of Appeal Ruling [Member] EUR (€)	Jun. 30, 2012 Pending Litigation [Member] Users	Jun. 30, 2012 Pending Litigation [Member] January 2010, Seoul High Court [Member] Plaintiffs	Jun. 30, 2012 Pending Litigation [Member] August 2009, Seoul Korea District Court, Trial [Member] lawsuits	Jun. 30, 2012 Pending Litigation [Member] September 2009, Seoul Korea District Court, Trial [Member] USD ($) lawsuits	Jun. 30, 2012 Skype [Member] Indemnification Agreement [Member] Pending Litigation [Member]
Litigation and Other Legal Matters
Court awarded damages to plaintiff(s)	€ 38,600,000	€ 1,700,000	€ 5,700,000
Daily fines, enforceable	100,000	2,500
Approximate number of users, Korean Subsidiary IAC				20,000,000
Number of representative suits in trial						4	23
Consolation money per user, Korean Court precedent							$ 200
Approximate number of users sueing Korean Subsidiary IAC				149,000	34,000
Loss contingency, settlement agreement, percentage of costs covered								50.00%