Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Series A Convertible Preferred Stock (Details)

v3.22.0.1
Stockholders' Equity and Share-Based Compensation - Series A Convertible Preferred Stock (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jun. 19, 2020
$ / shares
shares
Apr. 05, 2013
USD ($)
shares
Mar. 25, 2013
USD ($)
Vote
$ / shares
shares
Jan. 01, 2022
USD ($)
shares
Jan. 02, 2021
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock dividends during the period | $       $ 0 $ 0
Series A Convertible Preferred Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Series A convertible preferred stock, shares authorized (in shares)     4,150,000    
Aggregate shares to be sold (in shares)     4,150,000    
Series A convertible preferred stock, par value | $ / shares     $ 0.001    
Preferred stock purchase price per share (in dollars per share) | $ / shares     $ 1.45    
Preferred stock purchase, amount | $     $ 6,017    
Preferred stock sold (in shares) 2,620,687 150,000 4,000,000    
Conversion of preferred stock | $   $ 217 $ 5,800    
Preferred stock annual dividend rate (in dollars per share) | $ / shares     $ 0.058    
Number of votes | Vote     1    
Cash dividends on amended credit | $     $ 400    
Cash dividends on preferred stock | $       $ 0 $ 71
Issuance of common stock in connection with preferred stock dividends (shares)       0 45,000
Conversion rate of common stock for each share of Series A preferred stock (in shares) 1   1    
Minimum common stock price for consecutive thirty trading days for stock conversion (in dollars per share) | $ / shares $ 4.35        
Consecutive trading days for calculating weighted average price for the common stock 30 days        
Series A convertible preferred stock, shares outstanding (in shares)       0 0