Note 2 - Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Accounting Policies [Abstract]
Trading Securities, Realized Gain (Loss) (in Dollars)	$ (49,000)		$ 253,000
Equity Method Investment, Other than Temporary Impairment (in Dollars)		0	70,000	0
Long-term Debt (in Dollars)	$ 4,900,000		$ 4,900,000		$ 5,200,000