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Note 9 - Debt (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
  

Interest Rate

 Maturity Date September 30, 2021  December 31, 2020 
                 
2021 Bonds  1.5%  January 2042 $66,303  $ 
SBA Loans  1.0%  April 2025  344   1,006 
Equipment 4%to5% February 2022toDecember 2024  178   248 
                 
Total loans payable - other          66,825   1,254 
Less current portion          (165)  (807)
                 
Long-term portion         $66,660  $447 
Schedule of Maturities of Long-term Debt [Table Text Block]
Year Ending December 31,    
     
2021 (remaining) $44 
2022  161 
2023  159 
2024  66,432 
2025  29 
     
  $66,825