Annual report pursuant to Section 13 and 15(d)

Series A Preferred Stock - Additional Information (Details)

v3.20.1
Series A Preferred Stock - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Aug. 18, 2017
Dec. 28, 2019
Dec. 29, 2018
Series A Convertible Preferred Stock      
Dividends payable, amount per share     $ 1.00
Convertible preferred stock conversion ratio     20.00%
Percentage of number of common stock shares related to conversion     19.90%
Series A1 Convertible Preferred Stock      
Number of shares issued upon exchange of Convertible Preferred Stock   259,729  
Number of shares issued upon conversion of Convertible Preferred Stock     20
GeoTraq Inc.      
Cash paid for acquisition $ 200    
GeoTraq Inc. | One-year Unsecured Promissory Notes      
Business acquisition, Promissory notes issued $ 800    
GeoTraq Inc. | Series A Convertible Preferred Stock      
Business acquisition, Stock issued 288,588