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Loss Per Share (Tables)
 12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table represents a reconciliation of the basic and diluted loss per share computations contained in our consolidated financial statements (in thousands, except per share data):
 
Year Ended
 
December 31,
 
2015
 
2014
Net loss
$
(2,143
)
 
$
(2,755
)
Less: preferred stock dividends
18

 
20

Net loss attributable to common stockholders
$
(2,161
)
 
$
(2,775
)
 
 
 
 
   Weighted average shares outstanding - basic
35,442

 
34,885

   Weighted average shares outstanding - diluted
35,442

 
34,885

Basic net loss per share
$
(0.06
)
 
$
(0.08
)
Diluted net loss per share
$
(0.06
)
 
$
(0.08
)
Schedule of Potential Shares of Common Stock Excluded from Diluted Weighted Average Shares
The following table sets forth the potential shares of common stock that were excluded from diluted weighted-average shares of common stock outstanding (in thousands):
 
Year Ended
 
December 31,
 
2015
 
2014
Unvested restricted stock awards
261

 
641

Unvested restricted stock units
2,164

 
—

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

 
133

Stock options outstanding
1,269

 
1,350