STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2018

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

Schedule of weighted average assumptions

During the nine months ended September 30, 2018 and 2017, the Company estimated the fair value of stock options granted using the Black-Scholes option pricing model with the following weighted average assumptions:

	Nine Months Ended
	September 30, 2018	September 30, 2017
Weighted average risk-free interest rate	2.41% — 2.80%	1.73% — 2.14%
Weighted average life (in years)	4.75	5.0
Volatility	124.7% — 131.7%	98.4% — 107.2%
Expected dividend yield	0%	0%
Weighted average grant-date fair value per share of options granted	$                           0.92	$                           0.45

Schedule of exercise price

The options outstanding as of September 30, 2018, have been classified by exercise price, as follows:

Outstanding				Exercisable
		Weighted
		Average	Weighted		Weighted
		Remaining	Average		Average
Exercise	Number	Contractual	Exercise	Number	Exercise
Price	Outstanding	Life (Years)	Price	Exercisable	Price
$0.57 - $0.80	3,340,000	7.74	$0.67	1,817,499	$0.67
$1.00 - $1.38	170,000	8.78	$1.37	51,250	$1.36
$1.51 - $1.69	62,500	3.96	$1.64	62,500	$1.64
$0.57 - $1.69	3,572,500	7.72	$0.72	1,931,249	$0.71
Issuances outside of Plans
$0.80 - $2.32	3,997,500	7.65	$1.30	325,694	$1.61
Total Options
$0.57 - 2.32	7,570,000	7.68	$1.03	2,256,943	$0.84

Schedule of stock-based compensation expense

The total stock-based compensation expense related to stock options and stock awards issued pursuant to the Plans to the Company’s employees, consultants and directors, included in reported net loss for the three and nine months ended September 30, 2018 and 2017, is comprised as follows:

	Three Months Ended		Nine Months Ended
	Sept. 30, 2018	Sept. 30, 2017	Sept. 30, 2018	Sept. 30, 2017
Cost of revenues	$                    —	$                      2	$                      5	$                      6
Engineering and product development	—	6	14	20
Selling and marketing	—	8	12	18
General and administrative	697	349	2,204	1,017
Stock-based compensation from Plans	$                  697	$                  365	$               2,235	$               1,061
Stock-based compensation from issuances outside of Plans	655	152	1,928	208
Total Stock-based compensation	$               1,352	$                  517	$               4,163	$               1,269

Schedule of option activity under the company's stock option plans

A summary of option activity under the Company's stock option plans as of September 30, 2018, and changes during the nine months ended are as follows:

			Weighted	Average
	Shares		Average	Remaining	Aggregate
	Available	Number	Exercise	Contractual	Intrinsic
	for Grant	of Shares	Price	Life (years)	Value
January 1, 2018	2,538,832	2,742,500	$0.77	8.80	$6,688
Restricted stock awards	(1,583,059)	—
Granted	(1,000,000)	1,000,000	$0.70
Forfeited 1	100,000	(110,000)	$1.33
Exercised	—	(60,000)	$1.63
September 30, 2018	55,773	3,572,500	$0.72	7.72	$0

¹ Includes 10,000 options that were issued pursuant to the Company’s 2002 Plan and are not available for future issuance.