Stock Option Plan and Warrants (Details) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Number of Shares
Exercisable at end of period		8,600,956
Weighted Average Exercise Price
Granted			$ 0.29
Exercisable at end of period		$ 0.61
Stock options [Member]
Number of Shares
Outstanding at beginning of year	10,111,023	11,103,275
Granted		3,020,134
Exercised
Expired and Cancelled	(1,392,715)	(4,012,386)
Outstanding, end of period	8,718,308	10,111,023	11,103,275
Exercisable at end of period	8,718,308	8,600,956
Weighted Average Exercise Price
Outstanding at the beginning of year	$ 0.53	$ 0.78
Granted		0.03
Exercised
Expired and Cancelled	0.66	0.88
Outstanding, end of period	0.50	0.53	$ 0.78
Exercisable at end of period	$ 0.50	$ 0.61