OPERATING SEGMENTS, Geographical Information of Long-Lived Assets Based on Physical Location (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 54,523	$ 53,315
Belarus
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	40,319	38,697
Ukraine
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	4,848	5,525
Russia
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	3,112	3,414
Hungary
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,802	2,644
United States
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,192	2,217
Other
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 1,250	$ 818