Schedule of Changes in Common Stock Options (Details) - Jun. 30, 2015 - $ / shares	Total
Options, Outstanding at beginning of the period (in shares)	2,165,000
Options, Granted (in shares)	50,000
Options, Expired (in shares)	(40,000)
Options, Outstanding at end of the period (in shares)	2,175,000
Options exercisable at end of the period (in shares)	1,743,750
Weighted Average Exercise Price, Outstanding at beginning of the period (in dollars per share)	$ 1.71
Weighted Average Exercise Price, Granted (in dollars per share)	0.42
Weighted Average Exercise Price, Expired	0.90
Weighted Average Exercise Price, Outstanding at end of the period (in dollars per share)	1.70
Weighted Average Exercise Price, Options exercisable at end of the period (in dollars per share)	$ 1.78