Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

Summary of Significant Accounting Policies (Details 7)	3 Months Ended		9 Months Ended
Summary of Significant Accounting Policies (Details 7)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Series A Preferred Stock
Loss per share
Common stock equivalents excluded in the calculation of diluted loss per share		12,249,998	5,409,671	12,249,998
Warrants outstanding
Loss per share
Common stock equivalents excluded in the calculation of diluted loss per share	91,184	20,364	71,662	26,227
Stock Options, Non-vested Stock Options and ESPP awards
Loss per share
Common stock equivalents excluded in the calculation of diluted loss per share	346,783	404,856	290,029	429,442