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Divestment of investments (Details Textual)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended
Mar. 31, 2011
USD ($)
Mar. 31, 2010
USD ($)
Mar. 31, 2010
GBP (£)
Jun. 30, 2012
USD ($)
Jun. 30, 2011
USD ($)
Mar. 31, 2011
Moneygate Group [Member]
USD ($)
Mar. 31, 2011
Moneygate Group [Member]
GBP (£)
Dec. 31, 2009
Moneygate Group [Member]
Proceeds From Sale Of Stock and Various Noncore Investments For Consideration   $ (1,136) £ 750          
Proceeds From Divestiture Of Interest In Subsidiaries and Affiliates 370           244  
Equity Method Investment, Ownership Percentage               49.00%
Proceeds From Sale Of Equity Method Investments       0 401 401 250  
Gain (Loss) On Sale Of Equity Investments           $ 81 £ 51