XML 35 R23.htm IDEA: XBRL DOCUMENT
v3.19.1

Net Loss Per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Earnings Per Share [Abstract] |
Potential Dilutive Outstanding Securities Excluded From Diluted Net Loss Per Common Share | The following potentially dilutive outstanding securities were excluded from diluted net loss per common share for the period indicated because of their anti-dilutive effect:
Potentially dilutive securities |  | Three months ended March 31,
|  | 2019 |  | 2018
Stock options |  | 2,190,360 |  |  | 543,396 |
Warrants |  | 3,750,833 |  |  | 3,751,002 |
Total |  | 5,941,193 |  |  | 4,294,398 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
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