Note 4 - Liability Attributable to Warrants (Details) - Reconciliation of Warrants Outstanding by Period - shares		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Class of Warrant or Right [Line Items]
Beginning Outstanding		21,174,274	21,317,501	21,174,274	16,667,500
Issued					5,650,001
Exercised					(1,000,000)
Cancelled / Forfeited			(143,227)		(143,227)
Ending Outstanding		21,174,274	21,174,274	21,174,274	21,174,274
2011 Transaction [Member]
Class of Warrant or Right [Line Items]
Beginning Outstanding		10,302,500	10,302,500	10,302,500	11,302,500
Exercised					(1,000,000)
Ending Outstanding		10,302,500	10,302,500	10,302,500	10,302,500
2014 Transaction [Member]
Class of Warrant or Right [Line Items]
Beginning Outstanding		5,650,001	5,650,001	5,650,001
Issued					5,650,001
Ending Outstanding		5,650,001	5,650,001	5,650,001	5,650,001
Exercise Agreement [Member]
Class of Warrant or Right [Line Items]
Beginning Outstanding		4,500,000	4,500,000	4,500,000	4,500,000
Ending Outstanding		4,500,000	4,500,000	4,500,000	4,500,000
ipCapital Group Inc [Member]
Class of Warrant or Right [Line Items]
Beginning Outstanding		400,000	400,000	400,000	400,000
Ending Outstanding		400,000	400,000	400,000	400,000
Genesis Select Consulting Agreement [Member]
Class of Warrant or Right [Line Items]
Beginning Outstanding	[1]	169,273	312,500	169,273	312,500
Issued	[1]
Exercised	[1]
Cancelled / Forfeited	[1]		(143,227)		(143,227)
Ending Outstanding	[1]	169,273	169,273	169,273	169,273
Offer to Exercise [Member]
Class of Warrant or Right [Line Items]
Beginning Outstanding		152,500	152,500	152,500	152,500
Ending Outstanding		152,500	152,500	152,500	152,500

[1] Effective April 11, 2014, we cancelled our consulting agreement with a former investor relations firm. Under the terms of the agreement, 169,273 of the warrants that had been issued to such firm had vested as of the effective cancellation date.