Note 6 - Fair Value Measurements (Details) (USD $)			9 Months Ended							6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013 Metropolitan District Bond Securities [Member]	Jun. 30, 2014 Under Commitment To Sell [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2013 Under Commitment To Sell [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Not Under Commitment To Sell [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2013 Not Under Commitment To Sell [Member] Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Minimum [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Available-for-sale Securities, Gross Unrealized Gain (Loss) Accumulated in AOCI	$ 8,700,000	$ 12,600,000
Available-for-sale Securities, Gross Unrealized Loss Accumulated in AOCI	700,000	1,100,000
Disposal Group, Including Discontinued Operation, Mortgage Loans				$ 48,900,000	$ 66,100,000	$ 9,500,000	$ 26,500,000	$ 58,377,000	$ 92,578,000
Debt Instrument, Maturity Date, Description			2037
Short Term Borrowings Maturity Period										30 days