OPERATING SEGMENTS, Geographical Information of Long-Lived Assets Based on Physical Location (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 53,072	$ 53,315
Belarus [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	38,924	38,697
Ukraine [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	5,544	5,525
Russia [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	3,027	3,414
Hungary [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,592	2,644
United States [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	1,983	2,217
Other locations [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 1,002	$ 818