Note 9 - Loss Contingencies (Details)	9 Months Ended
	Sep. 30, 2011 Pending or Threatened Litigation [Member]	Sep. 30, 2011 Pending or Threatened Litigation [Member] June 2008, Paris France, Court of Commerce Ruling [Member] EUR (€)	Sep. 30, 2011 Pending or Threatened Litigation [Member] November 2009, Paris France, Court of Commerce Ruling [Member] EUR (€)	Sep. 30, 2011 Pending or Threatened Litigation [Member] August 2009, Seoul Korea District Court, Trial [Member] lawsuits	Sep. 30, 2011 Pending or Threatened Litigation [Member] September 2009, Seoul Korea District Court, Trial [Member] USD ($)	Sep. 30, 2011 Indemnification Agreement [Member]	Sep. 30, 2011 September 2010, Paris France, Court Of Appeal Ruling [Member] EUR (€)	Sep. 30, 2011 January 2010 Seoul District Court [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
Approximate number of users sueing Korean Subsidiary IAC	147,000							34,000
Number of representative suits in trial				4	23
Consolation money per user, Korean Court precedent					$ 200
Percentage of costs related to potential monetary judgement resulting from pending litigation matters						50.00%