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Stockholders' Equity [Parenthetical] - $ / shares
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Stock issued during the period underwritten offering per share   $ 5.85
Common stock for services per share issue one $ 3.40 5.97
Common stock for services per share issue two 3.96 3.96
Stock issued during period par value exercise of options   2.20
Stock issued during period par value exercise of options one   4.88
Stock issued during period par value exercise of options two   $ 5.21
Common Stock For Services Per Share Issue Three 4.85  
Shares issued upon exercise of warrants $ 2.20