Note 7 - Stock Option Activity (Details) - $ / shares	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Outstanding at January 1, 2015 (in shares)	760,000
Outstanding at January 1, 2015 (in dollars per share)	$ 2.63	$ 2.63
Outstanding at January 1, 2015 (in dollars per share)	$ 1.09	$ 1.09
Options Vested (in shares)	704,000
Exercisable at June 30, 2015 (in shares)	304,000