Basis of Presentation (Details Narrative) (10-K) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||||||||
| Net loss | $ (2,167,209) | $ (2,815,152) | $ (4,705,766) | $ (4,646,262) | $ (3,584,652) | $ (2,012,690) | $ (9,688,127) | $ (10,243,605) | $ (16,868,711) | $ (7,863,858) |
| Net cash used in operating activities | (12,851,824) | $ (10,130,131) | (13,332,927) | (7,397,912) | ||||||
| Working capital | 9,300,000 | |||||||||
| Accumulated deficit | (79,888,272) | (79,888,272) | (70,200,145) | (53,331,434) | ||||||
| Cash and cash equivalents | $ 1,957,395 | $ 1,957,395 | 7,812,259 | $ 22,631,971 | ||||||
| Investment in short-term marketable debt securities | $ 7,000,000 | |||||||||
| X | ||||||||||
- Definition Working capital. No definition available.
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| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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