Related Party Transactions (Details) (USD $)	1 Months Ended	3 Months Ended			3 Months Ended
	Aug. 31, 2012 Peregrine [Member]	Mar. 31, 2013 Peregrine [Member]	Mar. 31, 2012 Peregrine [Member]	Dec. 31, 2012 Peregrine [Member]	Mar. 31, 2013 Series D1 Preferred Shares [Member]	Nov. 30, 2008 Series D1 Preferred Shares [Member] Peregrine [Member]	Aug. 08, 2012 Common stock [Member] Peregrine [Member]
Related Party Transactions (Textual) [Abstract]
Purchase of preferred shares						1,345,444
Value of preferred shares						$ 2,000,000
Outstanding shares, description					less than 1%
Outstanding shares, percentage		1.00%
Description of conversion of preferred shares to common	conversion of the preferred shares to common stock at a ratio of 7.34:1, or 183,303 shares of common stock
Conversion of preferred stock to common stock ratio	7.34
Conversion of preferred stock to common stock shares							183,303
Lock out period until which Company could not sell shares		2013-02
Unrealized loss on investments		1,000,000
Revenue from related party		5,400,000	4,600,000
Accounts receivable from related party		$ 630,000		$ 1,700,000