Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Paycheck Protection Program Loan (Details Textual)

v3.21.2
Note 7 - Paycheck Protection Program Loan (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Apr. 24, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Proceeds from Issuance of Unsecured Debt       $ 0 $ 1,343,000
Gain (Loss) on Extinguishment of Debt, Total   $ 1,358,000 $ 0 1,358,000 $ 0
Paycheck Protection Program CARES Act [Member]          
Proceeds from Issuance of Unsecured Debt $ 1,343,000        
Gain (Loss) on Extinguishment of Debt, Total   $ 1,358,000   $ 1,358,000