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Statement of Stockholders' Equity [Parenthetical]
 9 Months Ended
Sep. 30, 2017
$ / shares
Stock issued during period par value exercise of options one $ 4.85
Stock issued during period par value exercise of options two 3.50
Stock Issued During Period Rights Offering Per Share 3.03
Warrants Issued During Period Rights Offering Per Share 0.97
Stock Issued During Period In Payment Of Accrued Compensation Per Share 3.60
Stock Issued During Period 2017 Board Services Per Share $ 3.60