Note 3 - Marketable Securities (Details) - Marketable Securities (USD $)	Sep. 30, 2014	Sep. 30, 2014 US States and Political Subdivisions Debt Securities [Member]	Dec. 31, 2013 Certificates of Deposit [Member]
Note 3 - Marketable Securities (Details) - Marketable Securities [Line Items]
Amortized Cost	$ 19,999,169	$ 14,999,169	$ 5,000,000
Unrealized Gains	699	699
Unrealized Losses	(268)	(268)
Fair Value	$ 19,999,600	$ 14,999,600	$ 5,000,000

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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