Note 9 - Commitments and Contingencies (Detail) - Guaranteed amounts persuant to agreements that provide for minimum commissions (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
2013	$ 94,081
2014	7,800
	$ 101,881

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

No definition available.

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant