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Note 7 - Term Loan and Line of Credit Agreements (Tables)
 3 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
 
 
March 31, 2017
 
 
 
Gross Amount
 
 
Debt Issuance Costs
 
 
Net Amount
 
Term loan agreement
   $
11,869
    $
(184
 )   $
11,685
 
Less current portion
    
(544
 )    
19
     
(525
 )
Long-term debt
   $
11,325
    $
(165
 )   $
11,160
 
 
 
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 March 31,
 
 
 
 
2018
   $
544
 
2019
    
573
 
2020
    
605
 
2021
    
638
 
2022
    
673
 
Thereafter
    
8,836
 
Total
   $
11,869