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Net Loss Per Share of Common Stock (Tables) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2018 | Dec. 31, 2017
Earnings Per Share [Abstract] |  |
Schedule of Earnings Per Share Basic and Diluted | The computation of net loss per share for the three and six months ended June 30, 2018 and 2017 is shown below.
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Basic and diluted net loss per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (1,206,074 | ) |  | $ | (278,445 | ) |  | $ | (2,302,870 | ) |  | $ | (500,536 | )
Weighted-average number of common shares-basic and diluted |  |  | 36,623,697 |  |  |  | 31,745,242 |  |  |  | 35,951,894 |  |  |  | 31,745,242 |
Basic and diluted net loss per share |  | $ | (0.03 | ) |  | $ | (0.01 | ) |  | $ | (0.06 | ) |  | $ | (0.02 | )
|  | For the year ended |
|  | December 31, 2017 |  |  | December 31, 2016 |
Net loss from continuing operations |  | $ | (1,856,315 | ) |  | $ | (1,917,066 | )
Less: Preferred stock dividends |  |  | - |  |  |  | - |
Net loss from continuing operations applicable to common stockholders - basic |  |  | (1,856,315 | ) |  |  | (1,917,066 | )
Dilution adjustments (not computed since they are antidilutive): |  |  |  |  |  |  |  |
Preferred stock dividend |  |  | - |  |  |  | - |
Interest on senior convertible notes, net of tax |  |  | - |  |  |  | - |
Net loss from continuing operations applicable to common stockholders - diluted |  | $ | (1,856,315 | ) |  | $ | (1,917,066 | )
Promet common shares issued and outstanding |  |  | 31,745,242 |  |  |  | 31,745,242 |
Heatwurx common shares issued and outstanding |  |  | 3,527,384 |  |  |  | - |
Total common shares issued and outstanding - basic |  |  | 35,272,626 |  |  |  | 31,745,242 |
Potential common shares (not computed since they are antidilutive): |  |  |  |  |  |  |  |
Warrants |  |  | - |  |  |  | - |
Conversion of preferred stock to common shares |  |  | - |  |  |  | - |
Conversion of senior convertible notes to common shares |  |  | - |  |  |  | - |
Total common shares issued and outstanding - diluted |  |  | 35,272,626 |  |  |  | 31,745,242 |
Weighted average shares outstanding used in calculating net loss per common share - basic |  |  | 32,595,680 |  |  |  | 29,321,049 |
Weighted average shares outstanding used in calculating net loss per common share - diluted |  |  | 32,595,680 |  |  |  | 29,321,049 |
Net loss per share - basic |  | $ | (0.06 | ) |  | $ | (0.07 | )
Net loss per share - diluted |  | $ | (0.06 | ) |  | $ | (0.07 | )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The outstanding warrants to purchase common stock and the shares issuable under the Senior Convertible Note were excluded from the computation of diluted net income per share as their effect would have been anti-dilutive for the periods presented below:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Stock purchase warrants |  |  | 3,612,786 |  |  |  | - |  |  |  | 3,612,786 |  |  |  | - |
Senior Convertible Notes |  |  | 115,128 |  |  |  | - |  |  |  | 115,128 |  |  |  | - |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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