WARRANTS (Tables)

6 Months Ended

Jun. 30, 2017

Warrants

Schedule of common stock warrants outstanding

The following table summarizes information about common stock warrants outstanding at June 30, 2017: 

Outstanding							Exercisable
			Weighted
			Average		Weighted				Weighted
			Remaining		Average				Average
Exercise	Number		Contractual		Exercise		Number		Exercise
Price	Outstanding		Life (Years)		Price		Exercisable		Price
$0.01		317,460		9.35	$	0.01		79,364	$	0.01
$0.70		1,761,905		5.20	$	0.70		—		—
$0.72		182,003		4.97	$	0.72		—		—
$0.75		135,909		4.88	$	0.75		—		—
$0.80		1,415,128		2.80	$	0.80		1,166,666	$	0.80
$0.90		611,670		3.85	$	0.90		265,000	$	0.90
$1.00		2,002,005		4.93	$	1.00		—		—
$1.10		1,000,000		2.92	$	1.10		—		—
$0.01 - 1.10		7,426,080		4.42	$	0.84		1,511,030	$	0.78

Schedule of option pricing

The Company utilized the Black-Scholes option pricing model and the assumptions used during the six months ended June 30, 2017: 

	June 30, 2017
Weighted average risk free interest rate		1.42% — 2.01	%
Weighted average life (in years)		4.8
Volatility		98.5% — 107.1	%
Expected dividend yield		0	%
Weighted average grant-date fair value per share of warrants granted	$	0.38