Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Additional Information (Details)

v3.20.1
Intangible Assets - Additional Information (Details) - USD ($)
12 Months Ended
Aug. 18, 2017
Dec. 28, 2019
Dec. 29, 2018
Finite Lived Intangible Assets [Line Items]      
Intangible amortization expense   $ 3,977,000 $ 3,730,000
GeoTraq Inc.      
Finite Lived Intangible Assets [Line Items]      
Estimated useful life of intangible assets   7 years  
Total consideration transferred $ 26,097,000    
Cash paid for acquisition 200,000    
Additional intangible assets recorded 10,134,000    
Offsetting deferred tax liability 10,134,000    
Business combination, other assets acquired 0    
Business combination, other Liabilities assumed $ 0    
GeoTraq Inc. | Series A1 Preferred Stock      
Finite Lived Intangible Assets [Line Items]      
Stock issued in acquisition 288,588    
Fair value of stock issued $ 14,963,000    
GeoTraq Inc. | Unsecured Promissory Notes      
Finite Lived Intangible Assets [Line Items]      
Promissory notes annual interest rate 1.29%    
Promissory notes maturity date Aug. 18, 2018    
Promissory notes issued $ 800,000