XML 34 R24.htm IDEA: XBRL DOCUMENT v3.23.1
Note 1 - The Company and Basis of Presentation (Details Textual) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 21, 2023
Apr. 02, 2023
Apr. 03, 2022
Jan. 01, 2023
Jan. 02, 2022
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents   $ 20,902 $ 20,140 $ 19,201 $ 19,605
Proceeds from Issuance of Common Stock   2,313 $ 1,482    
Line of Credit, Current   $ 15,000   $ 15,000  
Common Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.001   $ 0.001  
Registered Direct Offering [Member]          
Proceeds from Issuance of Common Stock $ 2,300        
Stock Issued During Period, Shares, New Issues (in shares) 450        
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001        
Shares Issued, Price Per Share (in dollars per share) $ 5.14        
Heritage Bank of Commerce [Member] | Paycheck Protection Program [Member]          
Debt Instrument, Interest Rate, Stated Percentage   8.50%   8.00%  
Heritage Bank of Commerce [Member] | Revolving Credit Facility [Member]          
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents   $ 20,900      
Line of Credit Facility, Maximum Borrowing Capacity       $ 15,000  
Line of Credit, Current   $ 15,000   $ 15,000  
Debt Instrument, Interest Rate, Effective Percentage   8.50%   8.00%