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Net Loss Per Share	3 Months Ended
Net Loss Per Share	Mar. 31, 2013
Net Loss Per Share [Abstract]
Earnings Per Share [Text Block]	Net Loss Per Share Net loss per share is computed using the weighted average number of shares of common stock outstanding during the applicable period and excludes shares underlying stock options and restricted stock units because they are antidilutive. There are no differences between basic and diluted net loss per share for all periods presented.
Earnings Per Share, Policy	Net loss per share is computed using the weighted average number of shares of common stock outstanding during the applicable period and excludes shares underlying stock options and restricted stock units because they are antidilutive.

Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.

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- Definition

The entire disclosure for earnings per share.

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