Quarterly report pursuant to Section 13 or 15(d)

Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details)

v2.4.0.8
Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Weighted Average Remaining Contractual Life - Years 3 years 10 months 13 days 4 years  
Number of options outstanding 2,143,686 1,564,257 1,639,842
Weighted Average Exercise Price Stock Options Outstanding $ 8.83 $ 11.16 $ 11.46
Number of Awards Vested 1,564,257 1,530,200  
Weighted Average Exercise Price $ 11.16 $ 11.28  
Weighted Average Remaining Contractual Life of Stock Options Vested 3 years 6 months 4 days 3 years 11 months 8 days  
Range 1 [Member]
      
Exercise price lower range limit $ 2.55 $ 2.55  
Exercise price upper range limit $ 5.00 $ 5.00  
Weighted Average Remaining Contractual Life - Years 4 years 9 months 11 days 5 years 22 days  
Number of options outstanding 762,766 183,337  
Weighted Average Exercise Price Stock Options Outstanding $ 3.02 $ 4.50  
Number of Awards Vested 183,337 183,337  
Weighted Average Exercise Price $ 4.50 $ 4.50  
Weighted Average Remaining Contractual Life of Stock Options Vested 4 years 6 months 22 days 5 years 22 days  
Range 2 [Member]
      
Exercise price lower range limit $ 5.01 $ 5.01  
Exercise price upper range limit $ 12.90 $ 12.90  
Weighted Average Remaining Contractual Life - Years 4 years 7 months 13 days 5 years 1 month 10 days  
Number of options outstanding 782,584 782,584  
Weighted Average Exercise Price Stock Options Outstanding $ 7.45 $ 7.45  
Number of Awards Vested 782,584 748,527  
Weighted Average Exercise Price $ 7.45 $ 7.53  
Weighted Average Remaining Contractual Life of Stock Options Vested 4 years 7 months 13 days 5 years 11 days  
Range 3 [Member]
      
Exercise price lower range limit $ 13.50 $ 13.50  
Exercise price upper range limit $ 18.90 $ 18.90  
Weighted Average Remaining Contractual Life - Years 1 year 9 months 22 days 2 years 3 months 18 days  
Number of options outstanding 358,336 358,336  
Weighted Average Exercise Price Stock Options Outstanding $ 14.17 $ 14.17  
Number of Awards Vested 358,336 358,336  
Weighted Average Exercise Price $ 14.17 $ 14.17  
Weighted Average Remaining Contractual Life of Stock Options Vested 1 year 9 months 22 days 2 years 3 months 18 days  
Range 4 [Member]
      
Exercise price lower range limit $ 19.20 $ 19.20  
Exercise price upper range limit $ 23.85 $ 23.85  
Weighted Average Remaining Contractual Life - Years 1 year 7 months 17 days 2 years 1 month 13 days  
Number of options outstanding 240,000 240,000  
Weighted Average Exercise Price Stock Options Outstanding $ 23.85 $ 23.85  
Number of Awards Vested 240,000 240,000  
Weighted Average Exercise Price $ 23.85 $ 23.85  
Weighted Average Remaining Contractual Life of Stock Options Vested 1 year 7 months 17 days 2 years 1 month 13 days