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MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY (Tables)
6 Months Ended
Jun. 30, 2018
Equity [Abstract]  
Schedule of Changes in Number of Shares Outstanding

The following table presents the changes in the number of shares outstanding:

 

 

2018

 

Shares issued:

 

 

 

 

Balance as of January 1

 

 

9,462

 

Issue of shares upon vesting of restricted stock units

 

 

208

 

Issue of shares on exercises of stock options

 

 

311

 

Issue of shares in the Exchange

 

 

812

 

Issue of shares on the conversion of the Series B preferred stock

 

 

4,492

 

Issue of shares on exercises of Series C warrants

 

 

310

 

Balance as of June 30

 

 

15,595

 

 

 

 

 

 

Shares held as treasury stock:

 

 

 

 

Balance as of January 1

 

 

38

 

Purchase of treasury stock

 

 

325

 

Balance as of June 30

 

 

363

 

 

 

 

 

 

Shares outstanding as of June 30

 

 

15,232