PROPERTY AND EQUIPMENT (Detail Textuals) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Depreciation and amortization expenses	$ 15.4
Per share effect of depreciation and amortization expense	$ 0.30
Asset retired	8.5	12.8	9.0
Asset retired accumulated depreciation	8.5	12.7	8.9
Data Center Services
Property, Plant and Equipment [Line Items]
Impairment charges for develop software	$ 0.4	$ 0.5