Annual report pursuant to Section 13 and 15(d)

Income Tax - Schedule of effective income tax rate (Details)

v3.22.1
Income Tax - Schedule of effective income tax rate (Details)
12 Months Ended
Jan. 02, 2022
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Federal statutory tax rate 21.00% 21.00%
State and local income taxes, net of federal benefit 3.70% 4.30%
Change in fair value of convertible promissory notes 0.00% (1.30%)
Non-deductible convertible preferred stock warrant expense (9.40%) (8.10%)
Federal tax credits 0.30% 0.50%
Share-based compensation (0.80%) (0.30%)
Estinguishment of PPP Loan 0.00% 0.90%
Impact of changes in valuation allowance (14.60%) (16.90%)
Other (0.20%) (0.10%)
Effective tax rate 0.00% 0.00%