Note 9 - Stockholders' Equity (Details) - Restricted Stock Activity (Restricted Stock [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restricted Stock [Member]
Note 9 - Stockholders' Equity (Details) - Restricted Stock Activity [Line Items]
Balances, Number of Shares	1,682,500	1,647,500	400,000
Balances, Weighted Average Grant Date Fair Value	$ 0.39	$ 0.38	$ 0.47
Shares cancelled and forfeited, Number of Shares	0	0
Shares cancelled and forfeited, Weighted Average Grant Date Fair Value	$ 0	$ 0
Shares vested, Number of Shares	(105,000)	0
Shares vested, Weighted Average Grant Date Fair Value	$ 0.82	$ 0
Shares granted, Number of Shares	140,000	1,247,500
Shares granted, Weighted Average Grant Date Fair Value	$ 0.83	$ 0.36