Note 6 - Summary of Status of the Company's Stock Options (Details) - Jun. 30, 2015 - $ / shares	Total
Outstanding (in shares)	560,000
Outstanding (in dollars per share)	$ 2.96
Expired (in shares)	(15,000)
Expired (in dollars per share)	$ 4.62
Outstanding (in shares)	545,000
Outstanding (in dollars per share)	$ 2.91
Exercisable at June 30, 2015 (in shares)	311,667
Exercisable at June 30, 2015 (in dollars per share)	$ 2.94