XML 58 R48.htm IDEA: XBRL DOCUMENT v3.22.2.2
Note 8 - Note Receivable - Summary of Note Receivable (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Sep. 30, 2020
Note receivable $ 295,000   $ 295,000  
Repayment of note (9,000) $ 0 0  
Allowance for doubtful account (140,000)   (100,000)  
Note receivable, net of allowance 146,000   195,000  
Current portion, net of allowance 0   82,000 $ 295,000
Note receivable, net of allowance $ 146,000   $ 113,000