Equity (Tables)

12 Months Ended

Dec. 31, 2018

	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding, January 1, 2016		3,971,583		$	4.34		8.01		2,964,146
Granted		2,225,000			1.92
Cancelled		(266,485	)		2.51
Exercised		(23,212	)		0.78
Outstanding, December 31, 2016		5,906,886			3.52		7.90		51,704
Granted		2,597,500			1.32
Cancelled		(3,329,794	)		2.85
Outstanding, December 31, 2017		5,174,592			2.83		7.95		2,648
Granted		3,577,159			0.69
Cancelled		(1,515,650	)		2.96
Outstanding, December 31, 2018		7,236,101			1.74		7.97		6,400

Exercisable, December 31, 2018		3,021,818			2.88		6.55		-

	Number of Units			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding, January 1, 2016		9,018,470			3.73		2.93		10,199,230
Granted		130,000			0.96
Exercised		(183,718	)		0.90
Outstanding, December 31, 2016		8,964,752			3.72		1.95		1,445,786
Granted		18,496,575			1.05
Exercised		(9,364	)		0.78
Cancelled		(1,789,623	)		2.22
Outstanding, December 31, 2017		25,662,340			1.89		3.62		995,373
Granted		30,360,466			0.67
Exercised		(7,332	)		0.66
Cancelled		(194,598	)		9.00
Outstanding, December 31, 2018		55,820,876			1.20		2.04		569,038

Exercisable, December 31, 2018		55,613,377			1.19		2.03		566,676