15. STOCK OPTIONS AND WARRANTS (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Assumptions for options granted

	2017		2016
Expected volatility		81.05%		103.59% -114.93%
Expected term		5 Years		2.5-6.5  Years
Risk-free interest rate		0.15%		0.16% -0.50%
Expected dividend yield		None		None

Rollforward of option activity

	Number of Options			Weighted Average Exercise Price
Outstanding at December 31, 2015		15,337,007		$	0.28
Granted		5,380,000			0.15
Exercised		–			–
Forfeited		(800,000	)		0.19
Expired		–			–
Outstanding at December 31, 2016		19,917,007		$	0.25
Granted		645,000			0.16
Exercised		–			–
Forfeited		(1,095,000	)		0.19
Expired		(4,250,343	)		0.33
Outstanding at December 31, 2017		15,216,664		$	0.23
Exercisable at December 31, 2017		13,479,165		$	0.24
Weighted average grant date fair value				$	0.10

Stock options information by exercise price

Options Outstanding											Options Exercisable
	Range of Exercise Price		Number Outstanding at December 31, 2017		Weighted Average Remaining Contractual Life		Weighted Average Exercise Price		Aggregate Intrinsic Value		Number Exercisable at December 31, 2017		Weighted Average Exercise Price		Aggregate Intrinsic Value
	$	0.13-1.31		15,216,664		5.45 Years	$	0.23	$	–		13,479,165	$	0.24	$	–
				15,216,664		5.45 Years	$	0.23	$	–		13,479,165	$	0.24	$	–

Warrant activity

	Number of Warrants			Weighted Average Exercise Price
Outstanding at December 31, 2015		29,219,441		$	0.18
Granted		291,667			0.15
Exercised		–			–
Forfeited		–			–
Expired		(1,314,286	)		0.33
Outstanding at December 31, 2016		28,196,822		$	0.17
Granted		4,416,667		$	0.15
Exercised		–			–
Forfeited		–			–
Expired		(26,831,589	)		0.16
Outstanding at December 31, 2017		5,781,900		$	0.17
Exercisable at December 31, 2017		5,781,900		$	0.17
Weighted average grant date fair value				$	0.08