Significant Accounting Policies - Anti-dilutive securities (Details) - shares	3 Months Ended
	Apr. 03, 2022	Apr. 04, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	1,974,619	3,129,634
Series A convertible preferred stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total		3,129,634
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	322,793
Unvested restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	234,169
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	1,417,657