NET LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

Reconciliation of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders

The following is a reconciliation of basic and diluted net loss per share attributable to common stockholders:


	Year Ended December 31,
	2019		2018		2017
Net loss from continuing operations	$	(12,685)	$	(12,025)	$	(8,932)
Net loss from discontinued operations	(1,046)		—		—
Net loss	(13,731)		(12,025)		(8,932)
Accretion of cumulative dividends of redeemable preferred stock to redemption value	—		—		(4,563)
Forfeiture of 50% of Series B Preferred Stock accumulated dividends	—		—		5965
Series A Preferred Stock preference payment in common stock	—		—		$	(16,000)
Net loss attributable to common stockholders - basic and diluted	$	(13,731)	$	(12,025)	$	(23,530)
Weighted average number of shares - basic and diluted	14,624,194		12,567,387		4,017,330
Net loss from continuing operations per share attributable to common stockholders - basic and diluted	$	(0.87)	$	(0.96)	$	(5.86)
Net loss from discontinued operations per share attributable to common stockholders - basic and diluted	(0.07)		—		—
Net loss per share attributable to common stockholders - basic and diluted	$	(0.94)	$	(0.96)	$	(5.86)

Schedule of Antidilutive Shares Excluded from the Calculation of Diluted Net Loss Per Share

The following contingently issuable and convertible equity shares were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for all periods presented (shares for the redeemable convertible preferred shares were determined based on the applicable conversation ratio of 1:1):


	Year Ended December 31,
	2019	2018	2017


Restricted stock	318,002	177,293	548,005
Stock options	70,628	112,094	176,959
Warrants	404	6,790	44,101
	389,034	296,177	769,065