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Equity Incentive Plans - Company's Equity Incentive Plans (Details)
$ in Thousands
4 Months Ended 6 Months Ended
May 09, 2016
shares
Jun. 30, 2016
USD ($)
shares
Jun. 20, 2016
Jun. 30, 2015
USD ($)
shares
Equity Incentive Plans [Line Items]        
Number of shares granted   690,000   135,230
Share based compensation | $   $ 2,285   $ 1,407
Total unrecognised compensation cost relating to restricted share awards | $   1,000    
Total unrecognised compensation cost relating to non-vested share option | $   $ 557    
Weighted average remaining term for non-vested restricted share awards   3 months 17 days    
Weighted average remaining term for non-vested share option awards   3 years 9 months 13 days    
Equity Incentive Plan 2016        
Equity Incentive Plans [Line Items]        
Shares reserved for issuance 940,000      
Number of shares granted 690,000      
Vest within the third quarter of 2016 | Equity Incentive Plan 2016        
Equity Incentive Plans [Line Items]        
Number of shares granted 650,000      
Vest on March 1, 2018 | Equity Incentive Plan 2016        
Equity Incentive Plans [Line Items]        
Number of shares granted 40,000      
Reverse stock split        
Equity Incentive Plans [Line Items]        
Reverse stock split, Conversion ratio     5