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Note 5 - Long-term Debt, Net (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
March 31, 2020
   
December 31, 2019
 
Refinanced Term Loan due 2023 (less unamortized discount of $3,384 and $3,715, respectively)
  $
45,904
    $
48,571
 
Note Payable due 2021 (less unamortized discount of $75 and $100, respectively)
   
2,425
     
2,400
 
Long-term debt, net
   
48,329
     
50,971
 
Less: Current portion of long-term debt
   
(4,750
)    
(6,873
)
Long-term debt, net (non-current)
  $
43,579
    $
44,098
 
Schedule of Maturities of Long-term Debt [Table Text Block]
Year    
March 31, 2020
 
Remainder of 2020
  $
3,875
 
2021
   
4,750
 
2022
   
3,500
 
2023
   
39,663
 
2024
   
 
Total maturities
  $
51,788