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Note 9 - Term Loans and Line of Credit Agreements (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
2020
 
   
Gross Amount
   
Debt Issuance Costs
   
Net Amount
 
Term Loan Agreement
  $
21,944
    $
(373
)   $
21,571
 
Paycheck Protection Program Loans
   
1,964
     
-
     
1,964
 
Total
   
23,908
     
(373
)    
23,535
 
Less current portion
   
1,636
     
(42
)    
1,594
 
Long-term debt
  $
22,272
    $
(331
)   $
21,941
 
   
2019
 
   
Gross Amount
   
Debt Issuance Costs
   
Net Amount
 
New Term Loan Agreement
  $
23,000
    $
(415
)   $
22,585
 
Less current portion
   
1,057
     
(42
)    
1,015
 
Long-term debt
  $
21,943
    $
(373
)   $
21,570
 
Schedule of Maturities of Long-term Debt [Table Text Block]
2021
  $
1,636
 
2022
   
2,495
 
2023
   
1,339
 
2024
   
1,290
 
2025
   
1,356
 
Thereafter
   
15,792
 
Total
  $
23,908