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Stockholders' Equity and Stock-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2018
Equity [Abstract] |
Schedule of Stock Option Plan Activity | A summary of stock option activity under the Plans for the nine months ended September 30, 2018 is as follows:
|  | Number of shares |  |  | Weighted Avg. Exercise Price |  |  | Weighted Avg. Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
Options outstanding - January 1, 2018 |  |  | 2,259,979 |  |  | $ | 5.51 |  |  |  |  |  |  |  |  |
Options granted |  |  | 295,000 |  |  | $ | 1.79 |  |  |  |  |  |  |  |  |
Options exercised |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Options cancelled/forfeit |  |  | (29,974 | ) |  | $ | 3.36 |  |  |  |  |  |  |  |  |
Options outstanding - September 30, 2018 |  |  | 2,525,005 |  |  | $ | 5.10 |  |  |  | 5.79 |  |  | $ | 631 |
Options exercisable |  |  | 1,277,557 |  |  | $ | 5.12 |  |  |  | 6.22 |  |  | $ | 258 |
Options vested and expected to vest |  |  | 2,396,105 |  |  | $ | 5.10 |  |  |  | 5.80 |  |  | $ | 585 |
Schedule of Fair Value Assumptions | The table below illustrates the fair value per share determined by the Black-Scholes-Merton option pricing model with the following assumptions used for valuing options granted to employees:
|  | 2018 |
Weighted-average fair value of options granted |  | $ | 1.42 |
Expected terms (in years) |  |  | 5.8 - 6.1 |
Expected volatility |  |  | 76% - 126 | %
Risk-free interest rate |  |  | 2.05 - 3.00 | %
Dividend yield |  |  | - |
Schedule of Shares Outstanding and Exercisable | The following table summarizes information about stock options outstanding and exercisable at September 30, 2018:
|  |  | Options Outstanding |  |  | Options Exercisable |
|  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Average |  |  | Weighted |  |  |  |  |  | Weighted |
|  |  |  |  |  | Remaining |  |  | Average |  |  |  |  |  | Average |
Range of |  |  | Number |  |  | Contractual |  |  | Exercise |  |  | Number |  |  | Exercise |
Exercise Prices |  |  | Outstanding |  |  | Life in Years |  |  | Price |  |  | Exercisable |  |  | Price |
| $1.47 - $2.60 |  |  |  | 851,000 |  |  |  | 8.01 |  |  | $ | 2.04 |  |  |  | 367,921 |  |  | $ | 2.18 |
| $3.04 - $4.50 |  |  |  | 547,031 |  |  |  | 7.23 |  |  | $ | 3.96 |  |  |  | 392,138 |  |  | $ | 3.98 |
| $5.49 - $6.36 |  |  |  | 101,536 |  |  |  | 4.82 |  |  | $ | 5.98 |  |  |  | 99,658 |  |  | $ | 5.98 |
| $6.64 - $8.99 |  |  |  | 1,020,408 |  |  |  | 3.29 |  |  | $ | 7.98 |  |  |  | 412,810 |  |  | $ | 8.15 |
| $42.80 |  |  |  | 5,030 |  |  |  | 1.87 |  |  | $ | 42.80 |  |  |  | 5,030 |  |  | $ | 42.80 |
| $1.47 - $42.80 |  |  |  | 2,525,005 |  |  |  | 5.79 |  |  | $ | 5.10 |  |  |  | 1,277,557 |  |  | $ | 5.12 |
Schedule of Restricted Stock Units Activity | A summary of the Company’s RSU activity and related information for the nine months ended September 30, 2018 is as follows:
|  | Number of RSUs |  |  | Weighted Average Grant Date Fair Value |
RSUs unvested - January 1, 2018 |  |  | 1,298,946 |  |  | $ | 2.42 |
RSUs granted |  |  | 136,360 |  |  |  | 2.20 |
RSUs vested |  |  | (125,536 | ) |  |  | 3.94 |
RSUs cancelled/forfeit |  |  | - |  |  |  |  |
RSUs unvested at September 30, 2018 |  |  | 1,309,770 |  |  | $ | 2.16 |
Schedule of Warrants Activity | A summary of warrant activity for the nine months ended September 30, 2018 is as follows:
|  | Number of Shares Subject to Warrants Outstanding |  |  | Weighted Avg. Exercise Price |
Warrants outstanding - January 1, 2018 |  |  | 6,264,215 |  |  | $ | 1.91 |
Granted |  |  | - |  |  |  |  |
Exercised |  |  | (1,798,558 | ) |  |  | 1.79 |
Expired |  |  | (115,688 | ) |  |  | 6.94 |
Warrants outstanding and exercisable - September 30, 2018 |  |  | 4,349,969 |  |  | $ | 1.90 |
Weighted average remaining contractual life of the outstanding warrants in years - September 30, 2018 |  |  | 2.06 |  |  |  |  |
Schedule of Warrants Outstanding and Warrants Exercisable | A list of the warrants outstanding as of September 30, 2018 is included in the following table:
|  | Warrants Outstanding |  | Warrants Exercisable
|  |  |  | Warrants |  |  | Exercise |  |  | Warrants |  |  | Expiration
Warrant Series |  | Issue Date |  |  | Outstanding |  |  |  | Price |  |  |  | Exercisable |  |  | Date
Lender warrants |  | 5/11/2015 |  |  | 125,000 |  |  | $ | 1.79 |  |  |  | 125,000 |  |  | 5/11/2025
Settlement warrants |  | 8/16/2016 |  |  | 40,000 |  |  | $ | 3.75 |  |  |  | 40,000 |  |  | 8/16/2021
Placement Agent Warrants |  | 12/27/2016 |  |  | 210,313 |  |  | $ | 1.79 |  |  |  | 210,313 |  |  | 12/27/2019
PIPE Investor Warrants |  | 12/27/2016 |  |  | 3,359,270 |  |  | $ | 1.79 |  |  |  | 3,359,270 |  |  | 12/27/2019
Lender warrants |  | 7/19/2017 |  |  | 615,386 |  |  | $ | 2.08 |  |  |  | 615,386 |  |  | 7/19/2024
|  |  |  |  | 4,349,969 |  |  | $ | 1.90 |  |  |  | 4,349,969 |  |  |
Schedule of Stock Based Compensation Granted to Employees Directors Consultants | The Company recorded stock-based compensation related to equity instruments granted to employees, directors and consultants as follows:
|  | For the |  |  | For the |  |  | For the |  |  | For the |
|  | Three Months Ended |  |  | Three Months Ended |  |  | Nine months Ended |  |  | Nine months Ended |
|  | September 30, 2018 |  |  | September 30, 2017 |  |  | September 30, 2018 |  |  | September 30, 2017 |
Employees - selling, general and administrative |  | $ | 527 |  |  | $ | 598 |  |  | $ | 1,790 |  |  | $ | 2,050 |
Directors - selling, general and administrative |  |  | 75 |  |  |  | 50 |  |  |  | 160 |  |  |  | 155 |
Consultants - selling, general and administrative |  |  | - |  |  |  | - |  |  |  | 108 |  |  |  | 60 |
Total |  | $ | 602 |  |  | $ | 648 |  |  | $ | 2,058 |  |  | $ | 2,265 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 3: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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