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Warrants (Tables) | 3 Months Ended
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Mar. 31, 2018
Warrants [Abstract] |
Summary of range of inputs used for the Black Scholes option pricing model valuations |
Issuance Date |  | Expected Term at Issuance Date |  |  | Risk Free Interest Rate at Date of Issuance |  |  | Volatility at Date of Issuance |  |  | Stock Price at Date of Issuance |
8/20/2014 |  |  | 5.00 |  |  |  | 1.50 | % |  |  | 96.00 | % |  | $ | 0.63 |
2/13/2015 |  |  | 5.00 |  |  |  | 1.28 | % |  |  | 100.00 | % |  | $ | 0.34 |
5/22/2015 |  |  | 5.00 |  |  |  | 1.28 | % |  |  | 107.58 | % |  | $ | 0.29 |
10/15/2015 |  |  | 5.00 |  |  |  | 1.71 | % |  |  | 58.48 | % |  | $ | 0.22 |
10/26/2015 |  |  | 5.00 |  |  |  | 1.71 | % |  |  | 60.47 | % |  | $ | 0.21 |
12/21/2015 |  |  | 5.00 |  |  |  | 1.75 | % |  |  | 58.48 | % |  | $ | 0.21 |
12/28/2015 |  |  | 5.00 |  |  |  | 1.75 | % |  |  | 58.48 | % |  | $ | 0.16 |
1/15/2016 |  |  | 5.00 |  |  |  | 1.76 | % |  |  | 58.48 | % |  | $ | 0.17 |
5/3/2016 |  |  | 5.00 |  |  |  | 1.25 | % |  |  | 51.15 | % |  | $ | 0.21 |
6/13/2016 |  |  | 5.00 |  |  |  | 1.14 | % |  |  | 51.12 | % |  | $ | 0.17 |
6/29/2016 |  |  | 5.00 |  |  |  | 1.01 | % |  |  | 48.84 | % |  | $ | 0.17 |
8/17/2016 |  |  | 5.00 |  |  |  | 1.15 | % |  |  | 51.55 | % |  | $ | 0.15 |
11/4/2016 |  |  | 5.00 |  |  |  | 1.66 | % |  |  | 47.48 | % |  | $ | 0.16 |
12/12/2016 |  |  | 5.00 |  |  |  | 1.90 | % |  |  | 48.54 | % |  | $ | 0.19 |
8/19/2017 |  |  | 5.00 |  |  |  | 1.81 | % |  |  | 64.71 | % |  | $ | 0.35 |
11/13/2017 |  |  | 5.00 |  |  |  | 2.08 | % |  |  | 66.24 | % |  | $ | 0.29 |
1/16/2018 |  |  | 5.00 |  |  |  | 2.36 | % |  |  | 65.07 | % |  | $ | 0.27 |
Remaining Expected Term at March 31, 2018 |  | Risk Free Interest Rate at March 31, 2018 |  |  | Volatility at March 31, 2018 |  |  | Stock Price at March 31, 2018 |
0.1 - 4.8 |  |  | 2.18 | % |  |  | 65.07 | % |  | $ | 0.30 |
Summary of outstanding debt and equity warrants |
|  | Warrants (Equity) |  |  |  |  |  | Warrants (Liability) |  |  |  |
|  | Amount |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Amount |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |
Balance January 1, 2018 |  |  | 33,004,011 |  |  |  | 0.47 |  |  |  | 3.55 |  |  |  | 6,487,500 |  |  |  | 0.35 |  |  |  | 1.64 |
Warrants issued with revolver loan |  |  | 1,851,852 |  |  |  | 0.27 |  |  |  | 4.80 |  |  |  | - |  |  |  | - |  |  |  | - |
Warrants expired |  |  | 530,513 |  |  |  | 10.73 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Balance March 31, 2018 |  |  | 34,325,350 |  |  |  | 0.30 |  |  |  | 3.43 |  |  |  | 6,487,500 |  |  |  | 0.35 |  |  |  | 1.39 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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