Note 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturity (USD $)	Sep. 30, 2013	Dec. 31, 2012
Note 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturity [Line Items]
Total	$ 9,420,869	$ 10,186,226
State-Guaranteed Receivables [Member]
Note 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturity [Line Items]
Due in one year or less	700,932
Due in one year or less	708,325
Due after one year through five years	2,436,995
Due after one year through five years	2,596,551
Due after five years through ten years	2,858,089
Due after five years through ten years	3,377,206
Due after ten years	2,065,039
Due after ten years	2,738,787
Total	8,061,055
Total	$ 9,420,869