Consolidated Statements of Stockholders' Net Capital Deficiency (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2010
Consolidated Statements of Stockholders' Net Capital Deficiency
Issuance of common stock for cash in secondary stock offering, expenses	$ 5.7
Issuance of common stock in private placement to a related party, expenses	$ 0.2

Represents direct costs (e.g., legal and accounting fees) associated with issuing stock in a private placement that is deducted from additional paid in capital.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration