Note 1 - Organization and Summary of Significant Accounting Policies (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Note 1 - Organization and Summary of Significant Accounting Policies (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment (in Dollars)	$ 3,534,000	$ 3,582,000
Former Calculation [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment (in Dollars)	1,990,000
Revised Methodology [Member]
Note 1 - Organization and Summary of Significant Accounting Policies (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment (in Dollars)	$ 2,116,000