Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

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Commitments and Contingencies (Details Textual)
6 Months Ended
Jun. 30, 2012
Commitments and Contingencies Disclosure (Textual) [Abstract]  
Expiration of office lease agreement The Company rents office space under leases that expire at various dates through 2023.