7. Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Option activity

	Number of options			Weighted average exercise price
Balance at December 31, 2015		1,600,674		$	7.73
Options granted during the period		20,798,500		$	3.95
Options exercised during the period		–		$	–
Options forfeited during the period		(200,000	)	$	1.00
Options expired during the period		–		$	–
Options outstanding at September 30, 2016		22,199,174		$	4.25
Options exercisable at September 30, 2016		16,199,174		$	5.58

Assumptions used

Expected term	9.89	years
Expected volatility	168%
Risk free interest rate	1.88%
Dividend yield	0%

Warrant activity

	Number of warrants			Weighted average exercise price
Balance at December 31, 2015		6,898,560		$	1.83
Cashless exercises		(92,348	)	$	0.23
Exchange of December 30, 2015 warrants		(6,451,613	)	$	1.94
Exchange Warrants issued		10,249,517		$	0.45
Warrants issued during the period		24,541,946		$	0.45
Balance at September 30, 2016		35,146,062		$	0.44

Antidilutive Securities

	September 30,		September 30,
	2016		2015
Stock options outstanding		22,199,174		23,830,000
Warrants outstanding		35,146,062		–
Convertible debt		1,760,000		5,378,151
Convertible preferred stock		21,358,222		257,143
Total		80,463,458		29,465,294