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Loss Per Share (Tables)
 12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Loss Per Share, Basic and Diluted
The following table sets forth the computation of the Company’s basic and diluted net loss per share (in thousands, except per share data):
 
Year Ended
 
December 31,
Numerator:
2016
 
2015
Net loss
$
(3,533
)
 
$
(2,143
)
Less: preferred stock dividends
12

 
18

Net loss attributable to common stockholders
$
(3,545
)
 
$
(2,161
)
Denominator:
 
 
 
   Weighted-average number of shares of common stock for basic and diluted net loss per share
35,611

 
35,442

Basic and diluted net loss per share
$
(0.10
)
 
$
(0.06
)
Schedule of Potential Shares of Common Stock Excluded from Diluted Weighted Average Shares
The following table represents the potential shares that were excluded from the computation of weighted-average number of shares of common stock in computing the diluted net loss per share for the periods presented because including them would have had an anti-dilutive effect (in thousands):
 
Year Ended
 
December 31,
 
2016
 
2015
Unvested restricted stock units
3,196

 
2,164

Vested restricted stock units
387

 
—

Stock options outstanding
1,222

 
1,269

Unvested restricted stock awards
363

 
261

Shares of common stock issuable upon conversion of Series A-2 preferred stock
79

 
79