Note 9 - Stockholders' Equity (Details Textual)		1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended		18 Months Ended
	Jul. 02, 2014 $ / shares shares	Feb. 04, 2016 USD ($) shares	Jan. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares $ / item shares	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) $ / shares $ / item shares	Dec. 31, 2014 USD ($) shares	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($) $ / shares $ / item shares	Jul. 15, 2015 $ / shares
Series B Preferred Stock [Member]
Preferred Stock, Shares Outstanding | shares	200			200		200		200		200
Preferred Stock, Par or Stated Value Per Share | $ / shares	$ 0.01			$ 0.01		$ 0.01		$ 0.01		$ 0.01
Preferred Stock, Redemption Price Per Share | $ / shares	$ 2
Preferred Stock, Dividend Rate, Percentage	2.50%
Convertible Preferred Stock Redemption Period	3 years
Dividends, Preferred Stock								$ 2,000	$ 2,000
Minimum [Member] | Employees and Consultants [Member]
Share Price | $ / shares				0.69		0.69				0.69
Minimum [Member] | President and Various Consultants [Member]
Deferred Compensation Converted to Common Stock Conversion Rate | $ / shares						0.76
Minimum [Member] | Expired [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				2.25		2.25				2.25
Minimum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				0.75		0.75				0.75
Maximum [Member] | Employees and Consultants [Member]
Share Price | $ / shares				1.15		1.15				1.15
Maximum [Member] | President and Various Consultants [Member]
Deferred Compensation Converted to Common Stock Conversion Rate | $ / shares						1.15
Maximum [Member] | Expired [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				3.10		$ 3.10				3.10
Maximum [Member] | Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period						10 years
Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				3		$ 3				3
Employees and Consultants [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, Issued for Services | shares		5,031
Stock Issued During Period, Value, Issued for Services		$ 4,500
Employees and Consultants [Member]
Stock Issued During Period, Value, Issued for Services						$ 100,904
President [Member]
Stock Issued During Period, Value, Issued for Services						$ 69,000
Stock Issued During Period Shares Vested But Not Issued ForServices | shares						75,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				1.50		$ 1.50				1.50
Deferred Compensation Converted to Common Stock Amount						$ 82,861
Deferred Compensation Converted to Common Stock Shares | shares						99,159
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares						150,000
Certain Brokers [Member] | Subscription Agreement [Member]
Payments for Commissions						$ 18,300
Warrant Holder One [Member]
Class of Warrant or Right Exercised During Period | shares						14,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 0.75		$ 0.75				$ 0.75
Proceeds from Warrant Exercises						$ 10,500
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares				14,000		14,000				14,000
Consultants [Member]
Deferred Compensation Converted to Common Stock Amount						$ 88,856
Deferred Compensation Converted to Common Stock Shares | shares						109,715
Board of Directors Chairman [Member] | Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost						$ 42,550
Subscriptions Receivable [Member] | Restricted Stock [Member]
Stock Issued During Period, Shares, New Issues | shares						12,500
Stock Issued During Period, Value, New Issues						$ 13,125
Subscriptions Receivable [Member]
Class of Warrant or Right Exercised During Period | shares						12,500
Expired [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares				957,806		957,806				957,806
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | shares				22,000,000		22,000,000				22,000,000
Allocated Share-based Compensation Expense				$ 74,320	$ 4,000	$ 89,640				$ 4,000
Certain Warrants with Expiry Dates on or before December 31, 2015 [Member] | For the Period from June 30, 2015 through July 15, 2015 [Member] | Subscription Agreement [Member]
Class of Warrant or Right Exercised During Period | shares						265,894
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 1.05		$ 1.05				$ 1.05
Common Stock Shares Issued upon Exercise of Warrants | shares						265,894
Proceeds from Warrant Exercises						$ 174,189
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 Exercised During Period | shares						265,894
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 1.05		$ 1.05				$ 1.05	$ 1.05
Proceeds from Warrant Exercises						$ 174,189
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares				100,000		100,000				100,000
Subscription Agreement [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 1.10		$ 1.10				$ 1.10
Sale Of Units Price Per Unit Issued | $ / item				0.8		0.8				0.8
Number of Share Per Unit				1		1				1
Number of Warrants Per Unit				1		1				1
Sale of Units, Number Of Units Issued | shares						228,750
Sale of Units, Value						$ 183,000
Warrant Fair Value Price Per Share | $ / shares				$ 0.05		$ 0.05				$ 0.05
Adjustments to Additional Paid in Capital, Warrant Issued						$ 4,603
Adjustments to Additional Paid in Capital, Other						178,397
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
Notes, Loans and Financing Receivable, Net, Current				$ 35,000		35,000				$ 35,000
Promissory Note Receivable for Shares				71,878		71,878				71,878
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value						59,000	$ 0
Dividends, Preferred Stock						1,000
Dividends Payable				$ 9,000		$ 9,000				$ 9,000
Common Stock Voting Rights Votes Per Share						1
Treasury Stock, Number of Shares Held | shares				704,309		704,309				704,309
Stock Issued During Period, Shares, Issued for Services | shares						36,296
Stock Issued During Period, Value, Issued for Services						$ 100,904
Proceeds from Warrant Exercises						184,689
Notes, Loans and Financing Receivable, Net, Current				$ 35,000		35,000				$ 35,000
Promissory Note Receivable for Shares				$ 71,878		71,878				$ 71,878
Sale of Units, Value						$ 183,000
Class of Warrant or Right, Outstanding | shares				8,400,000		8,400,000				8,400,000
Weighted Average Exercise Price for Outstanding Warrants | $ / shares						$ 1.24
Weighted Average Remaining Contractual Life for Outstanding Warrants						4 years 73 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares						100,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period | shares							397,500
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options				$ 19,826		$ 19,826				$ 19,826