XML 51 R40.htm IDEA: XBRL DOCUMENT v3.22.2
Note 1 - Description of Business and Operations (Details Textual) - USD ($)
Apr. 12, 2022
Dec. 31, 2021
Dec. 29, 2021
Dec. 31, 2020
Working Capital (Deficit)   $ (8,046,000)   $ (19,349,000)
Derivative Liability, Total   5,292,000    
Temporary Equity, Liquidation Preference   23,216,000    
Term Loan and Security Agreement [Member] | Secured Term Loan Credit Facility [Member]        
Line of Credit Facility, Maximum Borrowing Capacity   $ 2,500,000 $ 2,500,000  
Term Loan and Security Agreement [Member] | Secured Term Loan Credit Facility [Member] | Subsequent Event [Member] | Forecast [Member]        
Line of Credit Facility, Remaining Borrowing Capacity $ 763,000