Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Stock Option Activity (Details)

v3.20.4
Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 03, 2021
Dec. 29, 2019
Dec. 30, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Balance, options outstanding (in shares) 1,961,316 2,344,374 1,719,824
Options granted (in shares) 0 650,000  
Options exercised (in shares) (383,058) (25,450)  
Balance, options exercisable (in shares) 705,082    
Balance, outstanding weighted average exercise price (in dollars per share) $ 2.14 $ 1.55  
Options granted (in dollars per share)   3.67  
Options exercised (in dollars per share) 1.25 1.80  
Balance, outstanding weighted average exercise price (in dollars per share) 2.31 $ 2.14  
Balance, exercisable weighted average exercise price (in dollars per share) $ 1.71    
Balance, outstanding aggregate intrinsic value $ 2,371    
Balance, exercisable aggregate intrinsic value $ 1,992    
Balance, outstanding weighted average remaining contractual term (Year) 7 years    
Balance, exercisable weighted average remaining contractual term (Year) 6 years 1 month 6 days