Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Options Granted (Details)

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Shareholders' Equity - Options Granted (Details) - Jun. 30, 2015 - USD ($)
$ / shares in Units, $ in Thousands
Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares 1,810,000
Fair Value $ 4,520
January 17, 2014  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant Date Jan. 02, 2015
Expire Date Jan. 02, 2025
Shares 500,000
Exercise Price $ 3.88
Fair Value $ 1,163
January 17, 2014  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant Date Jan. 20, 2015
Expire Date Jan. 20, 2025
Shares 850,000
Exercise Price $ 4.25
Fair Value $ 2,550
January 22, 2014  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant Date Jan. 20, 2015
Expire Date Jan. 20, 2025
Shares 30,000
Exercise Price $ 4.25
Fair Value $ 90
May 18, 2015  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant Date May 18, 2015
Expire Date May 18, 2025
Shares 400,000
Exercise Price $ 3.38
Fair Value $ 655
June 16, 2015  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Grant Date Jun. 16, 2015
Expire Date Jun. 16, 2025
Shares 30,000
Exercise Price $ 3.67
Fair Value $ 62