Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011
Net of issuance costs	$ 617
Common Stock
Net of issuance costs	617
Capital in Excess of Par Value
Net of issuance costs	$ 617

Value of shares of stock issued during the period that is attributable to transactions involving issuance of stock not separately disclosed.

No definition available.

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Balance Type:	credit
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