Net Loss Per Share

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Net Loss Per Share

8. Net Loss Per Share

The following table sets for the computations of loss per share (in thousands, except share and per share amounts):

	December 31,
	2015			2014			2013
Numerators:
Loss from continuing operations attributable to common stockholders	$	(13,664	)	$	(20,117	)	$	(8,555	)
Income (loss) from discontinued operations attributable to common stockholders	—			—			(642		)
Preferred stock dividends and accretion	—			(1,524		)	(98		)
Net loss attributable to common stockholders	$	(13,664	)	$	(21,641	)	$	(9,295	)
Denominator:
Weighted–average common shares outstanding, basic and diluted	14,939,601			4,889,901			1,196,668
Loss from continuing operations per share, basic and diluted	$	(0.91	)	$	(4.43	)	$	(7.23	)
Loss from discontinued operations per share, basic and diluted	—			—			(0.54		)
Net loss per common share, basic and diluted	$	(0.91	)	$	(4.43	)	$	(7.77	)

Due to the net losses for the years ended December 31, 2015, 2014, and 2013, basic and diluted loss per share were the same, as the effect of all potentially dilutive securities would have been anti-dilutive. The following table sets forth the anti-dilutive common share equivalents:

	December 31,
	2015	2014	2013
Redeemable convertible preferred stock:
Series A preferred stock	—	—	2,821,181
Series B preferred stock	—	—	1,701,909
Series B–1 preferred stock	—	—	237,740
Series B–2 preferred stock	—	—	155,598
Series C preferred stock	—	—	1,918,048
Stock options	778,385	665,216	357,991
Restricted stock	513,943	438,939	240,280
Total anti–dilutive common share equivalents	1,292,328	1,104,155	7,432,747