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Note 7 - Long-term Debt, Net (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
September 30, 2019
   
December 31, 2018
 
Refinanced Term Loan due 2023 (less unamortized discount of $3,857)
  $
50,612
    $
55,472
 
Note Payable due 2021 (less unamortized discount of $125)
   
2,375
     
 
Long-term debt, net
   
52,987
     
55,472
 
Less: Current portion of long-term debt
   
(6,058
)    
(3,500
)
Long-term debt, net (non-current)
  $
46,929
    $
51,972
 
Schedule of Maturities of Long-term Debt [Table Text Block]
Year
     
 
Remainder of 2019
  $
3,433
 
2020
   
4,750
 
2021
   
3,500
 
2022
   
3,500
 
2023
   
41,786
 
Total maturities
  $
56,969