Note 11 - Business Segments and Significant Customers (Details) - Long-lived Assets by Geographic Area (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Note 11 - Business Segments and Significant Customers (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets	$ 1,791,601	$ 996,659
UNITED STATES
Note 11 - Business Segments and Significant Customers (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets	1,053,374	996,405
CANADA
Note 11 - Business Segments and Significant Customers (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets	738,172	198
MEXICO
Note 11 - Business Segments and Significant Customers (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets	$ 55	$ 56