STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2015

Series B convertible preferred, shares outstanding

Stock option plan activity

	Options			Weighted-   Average Exercise  Price		Weighted- Average  Remaining Contractual  Term (Years)
Balance at December 31, 2012		3,031,221		$	0.82		7.9
Granted		817,500		$	1.39		—
Expired/Cancelled		(30,000	)	$	0.74		—
Exercised		(35,310	)	$	0.31		—
Balance at December 31, 2013		3,783,411		$	0.94		7.4
Granted		435,000		$	2.13		—
Expired/Cancelled		(62,498	)	$	1.96		—
Exercised		(98,617	)	$	0.68		—
Balance at December 31, 2014		4,057,296		$	1.06		6.8
Granted		2,110,000		$	1.63		—
Expired/Cancelled		(750,622	)	$	1.86		—
Exercised		(39,705	)	$	0.87		—
Balance at December 31, 2015		5,376,969		$	1.17		6.9

Stock options outstanding and exercisable

		Options Outstanding						Options Exercisable
Exercise Price				Weighted-
				Average		Weighted-				Weighted-
		Number		Remaining Life		Average		Number		Average
		Outstanding		(Years)		Exercise Price		Exercisable		Exercise Price
$	0.17–0.24		420,221		3.0	$	0.19		420,221	$	0.19
$	0.54-0.74		735,500		4.6	$	0.72		735,500	$	0.72
$	0.77-1.15		2,346,248		6.6	$	0.98		1,974,191	$	0.95
$	1.45-2.74		1,875,000		9.1	$	1.82		312,667	$	2.02
Total			5,376,969						3,442,579

Common stock reserved for future issuance

	Year Ended December 31,
	2015		2014		2013
Cost of revenues	$	15	$	12	$	12
General and administrative		618		572		351
Sales and marketing		171		142		132
Research and development		156		130		121
Total	$	960	$	856	$	616

	Common Stock
Convertible preferred stock – Series B and Series E		6,488,134
Convertible lines of credit		1,670,735
Stock options outstanding		5,376,969
Warrants outstanding		450,000
Restricted stock grants		-
Authorized for future grant under stock option plans		1,198,438
		15,184,276