Stock Option Plan and Warrants (Details) - Stock options [Member] - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Number of Shares
Outstanding at beginning of year	11,103,275	11,033,675
Granted	3,020,134	6,299,600
Exercised
Expired and Cancelled	(4,012,386)	(6,230,000)
Outstanding, end of period	10,111,023	11,103,275
Exercisable at end of period	8,600,956	10,328,925
Weighted Average Exercise Price
Outstanding at the beginning of year	$ 0.78	$ 1.05
Granted	0.03	0.29
Expired and Cancelled	0.88	0.77
Outstanding, end of period	0.53	0.78
Exercisable at end of period	$ 0.61	$ 0.82