Quarterly report pursuant to Section 13 or 15(d)

Debt Financing (Details Narrative)

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Debt Financing (Details Narrative) - Avidbank [Member] - Revolving Credit Facility [Member] - USD ($)
$ in Thousands
3 Months Ended
Apr. 21, 2018
Apr. 05, 2018
Dec. 29, 2019
Dec. 30, 2018
Sep. 29, 2019
Outstanding principal balance     $ 600   $ 250
Total interest (income) expense     $ 5 $ 6  
Description of term period     The Company can maintain accounts at third party banks so long as the total in those other bank accounts does not exceed 20% of the total on deposit at Avidbank, and it shall remit to Avidbank monthly statements for all of those accounts within 30 days of the end of each month.    
Amended and Restated Loan Agreement [Member]          
Maturity date   Apr. 21, 2020      
Percentage of facility fee 0.05%