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Note 2 - Earnings Per Share
6 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
2.
Earnings per Share
 
Basic net loss per share is computed by dividing the net loss for the period by the weighted-average number of common shares outstanding during the period. Diluted earnings (loss) per share (“EPS”) includes the dilutive effect of common stock equivalents and is computed using the weighted-average number of common stock and common stock equivalents outstanding during the reporting period. Diluted EPS for the
three
and
six
months ended
June 30, 2018
and
2017
excluded common stock equivalents because the effect of their inclusion would be anti-dilutive, or would decrease the reported loss per share.
 
The following table sets forth securities outstanding that could potentially dilute the calculation of diluted earnings per share.
 
   
June 30,
 
   
2018
   
2017
 
Warrants to purchase common stock - liability classified (see Note 7)
   
58,902
     
680,119
 
Warrant to purchase common stock - equity classified
   
6
     
72
 
2020 Notes
   
1,116,637
     
1,485,100
 
2022 Notes
   
     
21
 
Outstanding stock appreciation rights    
68,638
     
 
Outstanding options to purchase common stock 
   
358
     
3,846
 
Unvested restricted common stock
   
16
     
268
 
Total
   
1,244,557
     
2,169,426
 
 
The Company issued
95,000
shares of common stock under the at-the-market offering program, between
July 1, 2018 and August 8, 2018
,
which are
not
reflected in the tables presented above. See Note
1,
Nature of Business, Financial Condition and Basis of Presentation
.