OPERATING SEGMENTS (Geographical Information of Long-Lived Assets Based on Physical Location) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 60,499	$ 55,134
Belarus
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	44,879	41,652
Ukraine
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	4,487	4,392
Hungary
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,485	2,773
Russia
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,084	2,196
United States
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	1,969	2,001
India
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	1,099	0
Poland
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	1,088	747
Other
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 2,408	$ 1,373