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Note 12 - Derivatives and Fair Value Disclosures (Details) - Valuation of Assets Measured at Fair Value On a Non-recurring Basis - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Note 12 - Derivatives and Fair Value Disclosures (Details) - Valuation of Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Fair value of assets measured on a non-recurring basis	$ 7,589,921	$ 1,977,051
Impairment loss on assets measured at fair value on a non-recurring basis	(8,238,987)	(6,168,747)
Long-lived Assets Held and Used [Member]
Note 12 - Derivatives and Fair Value Disclosures (Details) - Valuation of Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Fair value of assets measured on a non-recurring basis	7,589,921	1,977,051
Impairment loss on assets measured at fair value on a non-recurring basis	(8,238,987)	(6,168,747)
Fair Value, Inputs, Level 2 [Member]
Note 12 - Derivatives and Fair Value Disclosures (Details) - Valuation of Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Fair value of assets measured on a non-recurring basis	7,589,921	1,977,051
Fair Value, Inputs, Level 2 [Member] | Long-lived Assets Held and Used [Member]
Note 12 - Derivatives and Fair Value Disclosures (Details) - Valuation of Assets Measured at Fair Value On a Non-recurring Basis [Line Items]
Fair value of assets measured on a non-recurring basis	$ 7,589,921	$ 1,977,051

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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