XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.19.2

Description of Business and Significant Accounting Policies (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Accounting Policies [Abstract] |
Schedule of Potentially Dilutive Common Stock Equivalent Securities | The computation of basic and diluted net loss per share for the six months ended June 30, 2019 and 2018 excludes the common stock equivalents of the following potentially dilutive securities because their inclusion, as the Company is in a net loss position, would be anti-dilutive:
|  | Six months ended June 30, |
|  | 2019 |  |  | 2018 |
Vesting of restricted stock units |  |  | 1,166,006 |  |  |  | 1,219,419 |
Conversion of convertible notes into common stock |  |  | 3,629,627 |  |  |  | 14,154,500 |
Conversion of convertible related party notes into common stock |  |  | 21,909,541 |  |  |  | 21,909,541 |
Exercise of common stock warrants |  |  | 31,856 |  |  |  | 31,856 |
Employee stock purchase plan |  |  | 367,792 |  |  |  | 248,067 |
Exercise of common stock options |  |  | 15,512,639 |  |  |  | 11,368,356 |
Exercise of warrants associated with public offering |  |  | 26,666,667 |  |  |  | — |
Exercise of warrants associated with direct placement |  |  | — |  |  |  | 14,000,000 |
|  |  | 69,284,128 |  |  |  | 62,931,739 |

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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