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Summary of Significant Accounting Policies (Tables)
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6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2012
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| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Weighted Average Number of Shares [Table Text Block] |
A reconciliation of the number of shares of common stock used in the calculation of basic and diluted loss per share for the three- and six-month periods ended June 30, 2012 and 2011 is as follows:
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| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
The following outstanding stock-based awards were excluded from the computation of the effect of dilutive securities on loss per share for the following periods because they would have been anti-dilutive:
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