Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details Textual)

v3.19.3
Fair Value Measurements (Details Textual) - USD ($)
Sep. 29, 2019
Dec. 30, 2018
Fair Value Disclosures [Abstract]    
Non-financial assets $ 0 $ 0
Non-financial liabilities $ 0 $ 0