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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2018
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] |
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] | The fair value of stock options granted during the three months ended March 31, 2018 were estimated with the following assumptions:
Expected life |  | 6.0 years |
Risk-free interest rate |  | 2.60 | %
Expected annual volatility |  | 113.87 | %
Dividend yield |  | 0.00 | %
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | For the three months ended March 31, 2018 option activity was as follows:
|  | Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (in years) |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2018 |  |  | 2,176,637 |  | $ | 1.25 |  |  | 9.25 |  |  |  |
Granted |  |  | 1,671,250 |  |  | 1.83 |  |  | 9.99 |  |  |  |
Exercised |  |  | - |  |  | - |  |  |  |  |  |  |
Forfeited |  |  | (45,000) |  |  | 1.90 |  |  | 9.75 |  |  |  |
Outstanding at March 31, 2018 |  |  | 3,802,887 |  | $ | 1.52 |  |  | 9.59 |  | $ | 785,000 |
Vested and expected to vest at March 31, 2018 |  |  | 3,802,887 |  | $ | 1.52 |  |  | 9.59 |  | $ | 785,000 |
Exercisable at March 31, 2018 |  |  | 502,917 |  | $ | 0.96 |  |  | 7.10 |  | $ | 298,000 |
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] | The following table summarizes certain information about stock options for the three months ended March 31, 2018:
Weighted average grant-date fair value for options granted during the period |  | $ | 1.83 |
Vested options in-the-money at March 31, 2018 |  |  | 502,917 |
Aggregate intrinsic value of options exercised during the period |  | $ | - |
Common Stock Shares Reserved For Future Issuance [Table Text Block] | The following table summarizes the common shares reserved for future issuance under the Plan as of March 31, 2018:
Stock options outstanding |  |  | 3,652,887 |
Stock options available for future grant |  |  | 1,347,113 |
|  |  | 5,000,000 |
Schedule of Other Share-based Compensation, Activity [Table Text Block] | The following table summarizes the activity in Channel Partner Warrants during the three months ended March 31, 2018:
|  | Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (in years) |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2018 |  |  | 1,303,832 |  | $ | 1.48 |  |  | 4.50 |  |  |  |
Granted |  |  | 225,000 |  |  | 1.84 |  |  | 4.90 |  |  |  |
Exercised |  |  | - |  |  | - |  |  |  |  |  |  |
Forfeited |  |  | (83,986) |  |  | 1.91 |  |  | 4.50 |  |  |  |
Outstanding at March 31, 2018 |  |  | 1,444,846 |  | $ | 1.51 |  |  | 4.79 |  | $ | - |
Exercisable at March 31, 2018 |  |  | - |  | $ | - |  |  | - |  | $ | - |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] | The impact on our results of operations of recording stock-based compensation expense for the three months ended March 31, 2018 was as follows:
|  | Restricted |  |  |  |  | Channel |  | Common |  |  |  |
|  | Stock at |  | Stock |  | Partner |  | Stock to |  |  |  |
|  | Inception |  | Options |  | Warrants |  | be Issued |  | Total |
Research and development |  | $ | - |  | $ | 106 |  | $ | - |  | $ | - |  | $ | 106 |
General and administrative |  |  | 1,012,575 |  |  | 201,624 |  |  | 136,587 |  |  | - |  |  | 1,350,786 |
|  | $ | 1,012,575 |  | $ | 201,730 |  |  | 136,587 |  | $ | - |  | $ | 1,350,892 |
|  | Restricted |  |  |  |  | Channel |  | Common |  |  |  |
|  | Stock at |  | Stock |  | Partner |  | Stock to |  |  |  |
|  | Inception |  | Options |  | Warrants |  | be Issued |  | Total |
Research and development |  | $ | - |  | $ | - |  | $ | - |  | $ | - |  | $ | - |
General and administrative |  |  | 270,653 |  |  | 15,496 |  |  | - |  |  | - |  |  | 286,149 |
|  | $ | 270,653 |  | $ | 15,496 |  | $ | - |  | $ | - |  | $ | 286,149 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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