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Loss Per Share (Tables)
 12 Months Ended
Dec. 31, 2014
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,
 
2014
 
2013
Net loss
$
(2,755
)
 
$
(4,211
)
Less: preferred stock dividends
20

 
20

Net loss attributable to common stockholders
$
(2,775
)
 
$
(4,231
)
 
 
 
 
   Weighted average shares outstanding - basic
34,885

 
30,525

   Weighted average shares outstanding - diluted
34,885

 
30,525

Basic net loss per share
$
(0.08
)
 
$
(0.14
)
Diluted net loss per share
$
(0.08
)
 
$
(0.14
)
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,
 
2014
 
2013
Unvested restricted stock
670

 
465

Shares of common stock issuable upon conversion of preferred stock, Series A-2
133

 
133

Stock options outstanding
1,350

 
1,792