XML 86 R71.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock granted (in shares) 121,243 100,000.0 100,000.0
Restricted stock, weighted average fair value $ 1.4 $ 1.2 $ 1.3
Employee restricted stock award, vesting period 2 years    
Nonemployee restricted stock award vest grant over period 1 year    
Unrecognized compensation cost $ 0.4    
Unrecognized compensation cost, recognition period 15 months    
Shares tendered by employees to satisfy minimum statutory tax withholding obligations (in shares) 20,011    
Restricted Stock | Tranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock award, percentage vested on grant date 33.33%    
Restricted Stock | Tranche Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock award, percentage vested on grant date 66.66%    
Restricted Stock | Tranche Three      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock award, percentage vested on grant date 66.66%    
2013 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate shares of common stock permitted to be granted (in shares) 700,000    
Equity based awards, term 10 years    
Shares of common stock reserved for issuance (in shares) 218,050    
Stock-based compensation $ 1.2 $ 1.0 $ 1.3