Annual report pursuant to Section 13 and 15(d)

Note 9 - Leases - Maturity of Operating Lease Liabilities (Details)

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Note 9 - Leases - Maturity of Operating Lease Liabilities (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
2021 $ 137,000    
Total lease payments 137,000    
Less: Amount representing interest (5,000)    
Accrued Liabilities and Other Noncurrent Liabilities [Member]      
Present value of lease liabilities $ 132,000 $ 400,000 $ 629,000