Note 7 - Income Taxes (Details) - Deferred Taxes (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Deferred Taxes [Abstract]
Net operating losses	$ 56,294	$ 50,502
Fixed asset basis difference	6,559	7,141
Contributions carryover	2	2
Deferred compensation	2,354	2,367
Accrued liabilities	63	29
Total deferred tax assets	65,272	60,041
Valuation allowance for deferred tax assets	(65,272)	(60,041)	(54,788)	(50,312)
Net deferred tax asset	$ 0	$ 0