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Stockholders' Equity (Details 1)	6 Months Ended	12 Months Ended
Stockholders' Equity (Details 1)	Jun. 30, 2013	Dec. 31, 2012
Reconciliation of the beginning and ending common stock outstanding
Balance, end of period	92,497,000	87,514,000
Common Stock [Member]
Reconciliation of the beginning and ending common stock outstanding
Balance, beginning of period	87,514,336	77,843,883
Issuance of common stock	4,904,646.00	9,275,895
Restricted stock-based awards, net of forfeitures	77,667	394,558
Balance, end of period	92,496,649	87,514,336

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

Number of new stock issued during the period.

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.