Note 1 - Organization, Nature of Business, Going Concern and Management's Plans (Details Textual) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 04, 2016	Jan. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Jul. 15, 2015	Sep. 25, 2014
Property, Plant and Equipment of PA1 [Member]
Impairment of Long-Lived Assets Held-for-use							$ 1,750,000	$ 2,000,000
PA-1 [Member]
Debt Instrument, Debt Default, Amount										$ 8,137,117
Certain Warrants with Expiry Dates on or before December 31, 2015 [Member] | Note Receivable as Consideration for Warrants Exercise [Member]
Other Significant Noncash Transaction, Value of Consideration Received					$ 105,000
Certain Warrants with Expiry Dates on or before December 31, 2015 [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 1.05		$ 1.05				$ 1.05
Class of Warrant or Right Exercised During Period					265,894
Stock Issued During Period, Shares, Warrants Exercised					265,894
Proceeds from Warrant Exercises					$ 174,189
Note Receivable as Consideration for Warrants Exercise [Member] | Subsequent Event [Member]
Proceeds from Collection of Notes Receivable		$ 35,000
Note Receivable as Consideration for Warrants Exercise [Member]
Other Significant Noncash Transaction, Value of Consideration Received					$ 105,000
Subsequent Event [Member] | Restricted Securities Units [Member]
Shares Issued, Price Per Share	$ 0.80
Number of Warrants in Each Unit	1
Stock Issued During Period, Shares, New Issues	31,250
Gross Proceeds from Sale of Interest in Corporate Unit	$ 25,000
Subsequent Event [Member]
Shares of Restricted Common Stock in Each Unit	1
Warrant Component of Equity Unit, Number of Shares of Restricted Common Stock Called by Each Warrant	0.5
Warrant Component of Corporate Unit, Exercise Price Per Share of Restricted Common Stock	$ 1.10
Restricted Securities Units [Member]
Shares Issued, Price Per Share			$ 0.80		$ 0.80
Shares of Restricted Common Stock in Each Unit			1		1
Number of Warrants in Each Unit			1		1
Warrant Component of Equity Unit, Number of Shares of Restricted Common Stock Called by Each Warrant			0.5		0.5
Warrant Component of Corporate Unit, Exercise Price Per Share of Restricted Common Stock			$ 1.10		$ 1.10
Stock Issued During Period, Shares, New Issues					228,750
Gross Proceeds from Sale of Interest in Corporate Unit					$ 183,000
Proceeds from Sale of Interest in Corporate Unit					164,700
Payments of Stock Issuance Costs					$ 18,300
Minimum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 0.75		$ 0.75
Capital Required for Capital Adequacy			$ 2,500,000		$ 2,500,000
Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 3		$ 3
Capital Required for Capital Adequacy			$ 50,000,000		$ 50,000,000
Construction Loan			7,800,000		7,800,000
Impairment of Long-Lived Assets Held-for-use					0		1,750,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(796,869)	$ (664,948)	(1,629,398)	$ (1,370,706)	(5,640,000)	(5,762,000)
Working Capital			(10,197,000)		(10,197,000)
Stockholders' Equity Attributable to Parent			$ (11,647,440)		(11,647,440)		(10,806,933)
Proceeds from Issuance or Sale of Equity							$ 1,000,940	$ 944,400
Proceeds from Warrant Exercises					184,689
Payments of Stock Issuance Costs					$ 18,300