Note 2 - Investments and Restricted Cash (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Note 2 - Investments and Restricted Cash (Details) [Line Items]
Long-term Investments	$ 7,466,000	$ 7,019,000
Tax Basis of Investments, Cost for Income Tax Purposes	9,100,000	10,000,000
Equity Method Investments	800,000
Investment Owned, at Fair Value	1,000,000
Restricted Investments	900,000	5,200,000
Typhoon Exploration Inc. [Member]
Note 2 - Investments and Restricted Cash (Details) [Line Items]
Equity Method Investment, Ownership Percentage	29.40%
Non-Current Investments Held Having Net Gain Position [Member]
Note 2 - Investments and Restricted Cash (Details) [Line Items]
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(2,400,000)
Non-Current Investments Held Having Net Loss Position [Member]
Note 2 - Investments and Restricted Cash (Details) [Line Items]
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	$ 500,000