Related Party Transactions (Details) (USD $)			3 Months Ended	6 Months Ended		6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Peregrine [Member]	Jun. 30, 2012 Peregrine [Member] Rate	Dec. 31, 2011 Peregrine [Member]	Jun. 30, 2012 Series D-1 Preferred shares [Member] Peregrine [Member]	Nov. 30, 2008 Series D-1 Preferred shares [Member] Peregrine [Member]
Related Party Transactions (Textual) [Abstract]
Purchase of preferred shares							1,345,444
Value of preferred shares	$ 2,000,000	$ 2,000,000					$ 2,000,000
Outstanding shares, description						less than 1%
Outstanding shares, percentage				1.00%
Revenue from related party			7,400,000	12,000,000
Accounts receivable from related party			$ 3,600,000	$ 3,600,000	$ 2,000,000