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Consolidated Statements of Stockholders' Equity [Parenthetical] - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Common stock for services per share issue one |  | $ 3.40
Common stock for services per share issue two |  | 3.96
Common stock for services per share issue three | $ 4.85 | 4.85
Common stock for services per share issue four | 3.50 |
Shares issued upon exercise of warrants |  | $ 2.20
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 |

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- Definition Per share value of common share granted during the period for services. + References No definition available. + Details
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- Definition The price per share of warrants issued during the period rights offering per share. + References No definition available. + Details
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