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Note 7 - Term Loan and Line of Credit Agreements (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
 
 
June 30, 2017
 
 
 
Gross Amount
 
 
Debt Issuance Costs
 
 
Net Amount
 
Term loan agreement
   $
11,735
    $
(179
 )   $
11,556
 
Less current portion
    
(551
 )    
19
     
(532
 )
Long-term debt
   $
11,184
    $
(160
 )   $
11,024
 
 
 
December 31, 2016
 
 
 
Gross Amount
 
 
Debt Issuance Costs
 
 
Net Amount
 
Term loan agreement
   $
12,000
    $
(189
 )   $
11,811
 
Less current portion
    
(536
 )    
19
     
(517
 )
Long-term debt
   $
11,464
    $
(170
 )   $
11,294
 
Schedule of Maturities of Long-term Debt [Table Text Block]
For the Twelve Month Period Ending June 30,
 
 
 
 
2018
   $
551
 
2019
    
581
 
2020
    
613
 
2021
    
646
 
2022
    
681
 
Thereafter
    
8,663
 
Total
   $
11,735