Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) - Prior Period Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended		3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013 Scenario, Previously Reported [Member]	Mar. 31, 2013 Restatement Adjustment [Member]
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) - Prior Period Consolidated Statements of Cash Flows [Line Items]
Proceeds from issuance of long-term debt	$ 17,500		$ 83,458	$ 17,500
Principal payments on long-term debt	$ (5)	$ (4)	$ (65,963)	$ (5)