Note 4 - Loans (Details) - Secured Loans Summarized by Payment Delinquency (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Principal	$ 21,300,226	$ 19,185,660	$ 15,005,845	$ 14,698,430
Past Due 30-89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Principal	584,854	448,930
Past Due 90-179 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Principal		514,791
Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Principal	584,854	963,721
Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Principal	$ 20,715,372	$ 18,221,939