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Note 4 - Investments - Marketable Securities (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Corporate Bond Securities [Member]
Amortized Cost	$ 3,008,761
Unrealized Losses	(1,391)
Fair Value	3,007,370
Certificates of Deposit [Member]
Amortized Cost	19,000,000	$ 6,750,000
Fair Value	19,000,000	$ 6,750,000
Amortized Cost	22,008,761
Unrealized Losses	(1,391)
Fair Value	$ 22,007,370

X

- Definition

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

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 25



-Paragraph 1



-Subparagraph (b)



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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



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-Paragraph 2



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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



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