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The Company (Tables)
 6 Months Ended
Jun. 30, 2017
The Company [Abstract]  
Fair Value Measurements on Recurring Basis
The Company's recurring fair value measurements at June 30, 2017 and December 31, 2016 are as follows:
  
Fair Value as of
June 30, 2017
  
Quoted Prices in Active Markets for Identical Assets
(Level 1)
  
Significant other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
 
Liabilities:
            
Warrant liability (Note 8)
 
$
109
  
$
-
  
$
-
  
$
109
 
                 
  
Fair Value as of December 31, 2016
  
Quoted Prices in Active Markets for Identical Assets
(Level 1)
  
Significant other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
 
Liabilities:
                
Warrant liability (Note 8)
 
$
105
  
$
-
  
$
-
  
$
105
 
Diluted Earnings Per Common Share Calculated Using Net Loss and Weighted Average Shares Outstanding
Diluted earnings per common share were calculated using the following net loss and weighted average shares outstanding for the three and six months ended June 30, 2016:
  
Three Months Ended
June 30, 2016
  
Six Months Ended
June 30, 2016
 
       
Net income (loss)
 
$
498
  
$ 
(939
)
Gain on the change in fair value of the warrant liability
  
(3,199
)
  
(5,184
)
Diluted earnings
 
$ 
(2,701
)
 
$ 
(6,123
)
         
Weighted average number of common and common equivalent shares outstanding:
        
Basic number of common shares outstanding
  
2,117,897
   
2,092,914
 
Dilutive effect of warrants
  
193,150
   
123,267
 
Diluted number of common and common stock equivalent shares outstanding
  
2,311,047
   
2,216,181
 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Potential common stock equivalents outstanding as of June 30, 2017 and 2016 consist of common stock equivalents of common stock purchase warrants, senior secured convertible debentures, convertible preferred stock and common stock options, which are summarized as follows:
  
June 30,
  
2017
 
2016
Common stock equivalents of convertible debentures
 
9,146,146
 
9,221,143
Common stock purchase warrants
 
2,406,625
 
3,345,873
Common stock equivalents of convertible preferred stock
 
228,336
 
507,173
Common stock options
 
844,740
 
601,850
Total
 
12,625,847
 
13,676,039