Note 5 - Investment Securities - Available For Sale (Details) - Investment Securities Gross Unrealized Losses and Fair Value by Investment Category (USD $)	1 Months Ended			3 Months Ended	12 Months Ended
	Feb. 28, 2013	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Corporate Debt Securities [Member]	Dec. 31, 2013 Corporate Debt Securities [Member]
Available for Sale (all unrealized holding gains and losses are less than 12 months at date of measurement)
Bonds – corporate issuances with unrealized gains				$ 4,366,735	$ 6,650,095
Bonds – corporate issuances with unrealized gains	25,000,000			97	1,907
Bonds – corporate issuances with unrealized losses				42,888,752	30,506,286
Bonds – corporate issuances with unrealized losses				(27,994)	(46,073)
Total		47,255,487	37,156,381
Total		$ (27,897)	$ (44,166)