OPERATING SEGMENTS (Geographical Information of Long-Lived Assets Based on Physical Location) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 55,134	$ 53,315
Belarus
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	41,652	38,697
Ukraine
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	4,392	5,525
Hungary
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,773	2,644
Russia
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,196	3,414
United States
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,001	2,217
Other
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 2,120	$ 818