Note 9 - Stockholder's Equity (Details Textual) - USD ($)	1 Months Ended	3 Months Ended	6 Months Ended
	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2015
Common Stock Warrants [Member] | Investor Relations Firm [Member] | General and Administrative Expense [Member]
Warrant Expense		$ 129,147	$ 258,577
Common Stock Warrants [Member] | Investor Relations Firm [Member]
Warrants and Rights Outstanding		$ 517,576	$ 517,576
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	250,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 3.75
Term of Agreement with Counterparty	1 year
Class of Warrant or Right, Term	5 years
Common Stock Warrants [Member]
Class of Warrant or Right Exercised Number		0	0
Class of Warrant or Right, Granted During Period		0	0
Class of Warrant or Right Expired Unexercised		6,500	15,000
Minimum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 2	$ 2
Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 200	$ 200
Stock Issued During Period, Shares, New Issues		0	0
Stock Repurchased and Retired During Period, Shares		0	0
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		4,808,766	4,808,766
Class of Warrant or Right, Weighted Average Exercise Price			$ 8.32