• Filing Date: 2019-08-13
  • Form Type: 10-Q
  • Description: Quarterly report
v3.19.2
Share-Based Compensation - Stock Option Activity - Textual (Details)
6 Months Ended
Jun. 28, 2019
$ / shares
shares
Jun. 25, 2019
board_of_director
$ / shares
shares
Mar. 07, 2019
$ / shares
shares
Feb. 01, 2019
$ / shares
shares
Jan. 02, 2019
$ / shares
shares
Jan. 02, 2018
Jun. 30, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted (in shares)             1,089,000
Weighted average exercise price, granted (USD per share) | $ / shares             $ 2.26
Number of board of directors | board_of_director   3          
Exercise of stock options (in shares)             533,500
Weighted average exercise price, market price (in USD per share) | $ / shares             $ 5.03
Exercise of stock options, net (in shares)             440,000
Exercise of stock options, common stock (in shares)             304,171
Exercise of stock options, forfeited (in shares)             135,829
Exercise of stock options, cash (in shares)             93,500
Executives and Key Personnel              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average exercise price, granted (USD per share) | $ / shares         $ 1.87    
Award requisite service period         1 year    
Board of Directors              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted (in shares)         300,000    
Weighted average exercise price, granted (USD per share) | $ / shares   $ 5.83     $ 1.87    
Award requisite service period   1 year          
Employee              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted (in shares)         24,000    
Weighted average exercise price, granted (USD per share) | $ / shares         $ 1.87    
Contractor              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average exercise price, granted (USD per share) | $ / shares     $ 3.00 $ 1.87      
Award requisite service period     1 year 1 year      
Chief Financial Officer              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average exercise price, granted (USD per share) | $ / shares $ 6.26            
Stock Option | Executives and Key Personnel              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Options granted (in shares)         600,000    
Award vesting period         4 years    
Stock Option | Board of Directors              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares available for grant (in shares)   75,000          
Stock Option | Board of Directors | Share-based Compensation Award, Tranche One              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percentage of options that will vest         25.00%    
Stock Option | Board of Directors | Share-based Compensation Award, Tranche Two through Five              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percentage of options that will vest         75.00%    
Award vesting period         4 years    
Stock Option | Employee              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award vesting period           4 years  
Stock Option | Contractor              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares available for grant (in shares)     15,000 50,000      
Stock Option | Chief Financial Officer              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares available for grant (in shares) 25,000