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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Jul. 10, 2014
Dec. 31, 2013
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options granted (in shares) 182,500 25,000    
Compensation cost not yet recognized $ 300      
Compensation cost not yet recognized period (in years) 8 years 8 months 12 days      
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares issued under plan (in shares) 408,710 374,504   0
Stock-based compensation expense $ 509 $ 229    
Shares granted (in shares) 240,000 374,504    
CEO | Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (in shares) 200,000      
Selling, General and Administrative Expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 800 $ 1,400    
Global Share Option Plan and Israeli Sub-Plan | Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock underlying options outstanding (in shares) 1,489,532      
2014 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares authorized under plan (in shares)     2,196,836  
Shares available for issuance under plan (in shares) 1,536,670      
2014 Plan | Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares issued under plan (in shares)   374,504