GEOGRAPHICAL INFORMATION OF LONG-LIVED ASSETS BASED ON PHYSICAL LOCATION (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 55,400	$ 53,135
Belarus [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	40,210	40,095
Ukraine [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	5,711	5,357
Russia [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	3,688	3,234
United States [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,788	2,048
Hungary [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	2,342	1,744
Other Countries [Member]
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 661	$ 657