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Note 12 - Commitments and Contingencies (Details Textual)				1 Months Ended		6 Months Ended	12 Months Ended		24 Months Ended
	Jan. 05, 2016 shares	Feb. 10, 2015 USD ($) $ / shares shares	Sep. 25, 2014 USD ($)	Oct. 31, 2015 USD ($) shares	Sep. 30, 2014 USD ($)	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 $ / shares shares	Dec. 31, 2013 shares	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) $ / shares	Jun. 30, 2014 shares	May 15, 2013
Extension Agreement One [Member] \| President [Member]
Monthly Officer's Compensation \| $					$ 14,000
Extension Agreement One [Member] \| Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross									600,000
Common Stock, Capital Shares Reserved for Future Issuance									500,000
FY2016 Extension Agreement [Member] \| President [Member] \| Extension Bonus [Member]
Stock Issued During Period, Shares, Issued for Services	75,000
FY2016 Extension Agreement [Member] \| President [Member]
Monthly Officers' Cash Compensation \| $				$ 19,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				100,000
Extension Agreement Two [Member] \| Chief Executive Officer [Member] \| Stock Bonus [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period							250,000
President [Member] \| New Smith Note [Member] \| Convertible Debt [Member]
Debt Instrument, Interest Rate Reduction, Percentage		50.00%
Debt Instrument, Interest Rate, Stated Percentage		4.00%									8.00%
Debt Instrument, Convertible Conversion Price, Incease, Percentage		11.00%
Debt Instrument, Convertible, Conversion Price \| $ / shares		$ 0.50									$ 0.45
Accrued Interest on Deferred Compensation and Other Expenses \| $		$ 75
Number of Warrants Per Unit		0.25									1
President [Member] \| New Smith Note [Member]
Convertible Notes Payable \| $		$ 760,520
President [Member] \| Stock Bonus [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period		150,000
President [Member]
Debt Instrument, Convertible, Conversion Price \| $ / shares								$ 0.45
Number of Warrants Per Unit								1
Monthly Officers' Cash Compensation \| $		$ 18,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		150,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares		$ 1.50				$ 0.75	$ 0.75	$ 1.50
Chief Executive Officer [Member] \| Cash Note [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares						$ 1	$ 1
Debt Instrument, Face Amount \| $										$ 395,277
Class of Warrant or Right, Number of Securities Called by Warrants or Rights						592,916	592,916
Chief Executive Officer [Member] \| Mr. Bassani [Member] \| Convertible Debt [Member]
Number of Warrants Per Unit											1
Chief Executive Officer [Member] \| Stock Bonus [Member] \| Maximum [Member]
ExtensionOfExercisePeriod							5 years
Chief Executive Officer [Member] \| Stock Bonus [Member]
Execution Bonus as Percentage of Exercised Options and Warrants													50.00%
ContingentStockBonusPercentageThresholdForIssuance						50.00%	50.00%
Chief Executive Officer [Member]
Debt Instrument, Convertible, Conversion Price \| $ / shares								$ 0.84
Monthly Officers' Cash Compensation \| $							$ 31,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross							450,000
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares						$ 1.50	$ 1.50
Due to Related Parties, Current \| $											$ 279,000
Unreimbursed Expenses \| $											$ 116,277
Executive Vice Chairman [Member] \| Stock Bonus [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period		25,000
Executive Vice Chairman [Member]
Adjustment for Deferred Compensation During the Period \| $							$ 160,000
CEO and President [Member] \| Exercise Bonus [Member]
Extension of Exercise Period Annual Payment per Option or Warrant \| $ / shares						$ 0.01	$ 0.05
Mr. Bassani [Member] \| Convertible Debt [Member]
Debt Instrument, Interest Rate Reduction, Percentage						50.00%	50.00%
Debt Instrument, Interest Rate, Stated Percentage						4.00%	4.00%				8.00%
Debt Instrument, Convertible Conversion Price, Incease, Percentage						11.00%	11.00%
Debt Instrument, Convertible, Conversion Price \| $ / shares						$ 0.50	$ 0.50				$ 0.45
Number of Warrants Per Unit Reduction Percentage						75.00%	75.00%
Mr. Bassani [Member]
Convertible Notes Payable \| $						$ 1,464,545	$ 1,464,545
Exercise Bonus [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number						3,045,000	3,045,000
Class of Warrant or Right, Outstanding						6,753,219	6,753,219
Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares						$ 3	$ 3
Pennvest Loan [Member]
Loss Contingency, Damages Sought, Value \| $			$ 8,137,117
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross							100,000	957,500
Stock Issued During Period, Shares, Issued for Services							242,034	45,647
Common Stock, Capital Shares Reserved for Future Issuance									100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number						4,225,537	4,225,537	4,413,870				4,258,870
Class of Warrant or Right, Outstanding						8,100,000	8,100,000