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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
The assets and liabilities measured at fair value on a recurring basis are as follows (in thousands):
 
December 31, 2014
 
Fair Value Measurements Using
 
Total
 
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Contingent consideration to be paid in cash for the acquisitions
$

 
$

 
$
3,883

 
$
3,883

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Reconciliations of liabilities measured and carried at fair value on a recurring basis with the use of significant unobservable inputs (Level 3) are as follows (in thousands):
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2015
 
2014
 
2015
 
2014
Contingent consideration for acquisitions
 
 
 
 
 
 
 
Balance at beginning of period
$

 
$
9,195

 
$
3,883

 
$
9,793

Cash payments

 

 
(3,829
)
 
(824
)
Change in estimates included in earnings

 
44

 

 
134

Change due to foreign exchange rate changes

 
(199
)
 
(54
)
 
(63
)
Balance at end of period
$

 
$
9,040

 
$

 
$
9,040