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Equity - Additional Information (Details) - USD ($)
12 Months Ended
Aug. 02, 2016
Dec. 31, 2017
Aug. 01, 2016
Stock Option      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Estimated forfeiture rate   10.00%  
Unrecognized compensation expense   $ 1,600,000  
Options expected to vest , weighted average period   2 years  
Options outstanding and exercisable weighted average remaining contractual life   6 years 9 months 18 days  
RSUs      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized compensation expense   $ 700,000  
Expected vesting period   9 months 18 days  
Weighted average remaining contractual life   2 years 3 months 18 days  
Converted Equity Awards Incentive Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Incremental stock-based compensation expense recorded as result of equity award conversion $ 0    
Converted Equity Awards Incentive Plan | Common Stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock authorized for issuance under Stock Plan     1,300,000
2016 Stock Incentive Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock authorized for issuance under Stock Plan     3,100,000