Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Narrative) (Details)

v3.20.1
Net Income (Loss) Per Share (Narrative) (Details) - shares
3 Months Ended
Mar. 29, 2020
Mar. 31, 2019
Earnings Per Share [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 70,986 37,000