XML 42 R23.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Warrant [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of option and warrant activities |
|  | Number of Units |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value |
Outstanding, December 31, 2014 |  |  | 7,698,497 |  |  |  | 1.64 |  |  |  | 3.97 |  |  |  | 34,317,224 |
Granted |  |  | 3,333,333 |  |  |  | 6.50 |  |  |  |  |  |  |  |  |
Exercised |  |  | (2,013,360 | ) |  |  | 0.41 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2015 |  |  | 9,018,470 |  |  |  | 3.73 |  |  |  | 2.93 |  |  |  | 10,199,230 |
Granted |  |  | 130,000 |  |  |  | 0.96 |  |  |  |  |  |  |  |  |
Exercised |  |  | (183,718 | ) |  |  | 0.90 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 |  |  | 8,964,752 |  |  |  | 3.72 |  |  |  | 1.95 |  |  |  | 1,445,786 |
Granted |  |  | 18,496,575 |  |  |  | 1.05 |  |  |  |  |  |  |  |  |
Exercised |  |  | (9,364 | ) |  |  | 0.78 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (1,789,623 | ) |  |  | 2.22 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2017 |  |  | 25,662,340 |  |  |  | 1.89 |  |  |  | 3.62 |  |  |  | 995,373 |
Exercisable, December 31, 2017 |  |  | 25,462,340 |  |  |  | 1.85 |  |  |  | 3.61 |  |  |  | 995,373 |
Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of option and warrant activities |
|  | Number of Units |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value |
Outstanding, December 31, 2014 |  |  | 3,013,084 |  |  | $ | 5.98 |  |  |  | 8.35 |  |  |  | 4,728,842 |
Granted |  |  | 1,554,499 |  |  |  | 2.78 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (576,000 | ) |  |  | 8.70 |  |  |  |  |  |  |  |  |
Exercised |  |  | (20,000 | ) |  |  | 0.78 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2015 |  |  | 3,971,583 |  |  | $ | 4.34 |  |  |  | 8.01 |  |  |  | 2,964,146 |
Granted |  |  | 2,225,000 |  |  |  | 1.92 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (266,485 | ) |  |  | 2.51 |  |  |  |  |  |  |  |  |
Exercised |  |  | (23,212 | ) |  |  | 0.78 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 |  |  | 5,906,886 |  |  |  | 3.52 |  |  |  | 7.90 |  |  |  | 51,704 |
Granted |  |  | 2,597,500 |  |  |  | 1.32 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (3,329,794 | ) |  |  | 2.85 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2017 |  |  | 5,174,592 |  |  |  | 2.83 |  |  |  | 7.95 |  |  |  | 2,648 |
Exercisable, December 31, 2017 |  |  | 2,415,632 |  |  |  | 3.98 |  |  |  | 6.38 |  |  |  | - |

X
- 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
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |