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Note 5 - Financing Arrangements (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
December 31,
   
December 31,
 
   
2020
   
2019
 
Term note payable - Bank of America
               
Real estate term note bearing interest at one-month LIBOR + 2.25% (4.3% and 4.1% as of December 31, 2020 and 2019, respectively) maturing June 15, 2022 with monthly payments of approximately $41,000 plus interest secured by substantially all assets.
  $
1,071
    $
3,755
 
                 
                 
Promissory Note
   
6,077
     
-
 
                 
     
7,148
     
3,755
 
Debt issuance Costs
   
(79
)    
(132
)
Total long-term debt
   
7,069
     
3,623
 
Current maturities of long-term debt
   
(1,204
)    
(444
)
Long-term debt - net of current maturities
  $
5,865
    $
3,179
 
Schedule of Maturities of Long-term Debt [Table Text Block]
Years Ending December 31,
 
Amount
 
2021
   
1,204
 
2022
   
5,944
 
Total
  $
7,148