Quarterly report pursuant to Section 13 or 15(d)

Debt - Narrative (Details)

v3.21.1
Debt - Narrative (Details) - USD ($)
3 Months Ended
Mar. 29, 2021
Apr. 29, 2020
Mar. 31, 2021
Apr. 24, 2020
Paycheck Protection Program        
Debt Instrument [Line Items]        
Principal amount of promissory Note       $ 116,700
Interest rate       1.00%
Multi-Draw Credit Agreement        
Debt Instrument [Line Items]        
Conversion price (in dollars per share)   $ 0.25    
Maximum borrowing capacity $ 20,000,000 $ 20,000,000    
Unused portion of the credit facility     $ 6,450,000  
Interest rate percentage 7.00%      
Debt default interest rate spread 10.00%      
Warrant coverage on the debt facility 50.00%      
Term of warrant 5 years      
Warrant exercise price (in dollars per share) $ 0.50      
Reduced exercise price of warrant (in dollars per share) $ 0.35      
Unamortized debt discount period     1 year 6 months 7 days  
Fair value of shares underlying convertible debt     $ 599,314