FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 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):

	For the year ended December 31,
	2015			2014			2013
Contingent consideration for acquisitions
Balance at beginning of period	$	3,883		$	9,793		$	9,756
Additions for acquisitions	—			—			4,474
Cash payments	(3,829		)	(5,825		)	(5,000		)
Change in estimates included in earnings	—			153			197
Change due to foreign exchange rate changes	(54		)	(238		)	366
Balance at end of period	$	—		$	3,883		$	9,793