Annual report pursuant to Section 13 and 15(d)

Operating Leases (Details Textual)

v3.19.3.a.u2
Operating Leases (Details Textual)
$ in Thousands
12 Months Ended
Dec. 28, 2019
USD ($)
Leases [Line Items]  
Operating lease cost $ 3,689
Minimum [Member]  
Leases [Line Items]  
Operating leases, remaining lease term 1 year
Maximum [Member]  
Leases [Line Items]  
Operating leases, remaining lease term 11 years