STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2016

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, 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
Granted		1,264,000			1.34		-
Expired/Cancelled		(121,500	)		1.29		-
Exercised		(12,626	)		0.21		-
Balance at December 31, 2016		6,506,843		$	1.21		6.6

Stock-based compensation related to equity options and restricted stock

	Year Ended December 31,
	2016		2015		2014
Cost of revenues	$	20	$	15	$	12
General and administrative		714		618		572
Sales and marketing		224		171		142
Research and development		204		156		130
Total	$	1,162	$	960	$	856

Common stock reserved for future issuance

	Common Stock
Convertible preferred stock – Series B, Series E, Series F and Series G		11,709,151
Convertible lines of credit		2,201,903
Stock options outstanding		6,506,843
Warrants outstanding		175,000
Authorized for future grant under stock option plans		55,938
		20,648,835