Nature of Operations and Business Activities (Detail Textuals) - USD ($) |
9 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Oct. 05, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2016 |
|
| Nature Of Operations And Business Activities [Line Items] | ||||||||||
| Accumulated deficit | $ (37,025,334) | $ (33,225,107) | $ (14,030,871) | |||||||
| Stockholders' deficit | (16,402,461) | $ (10,155,120) | (15,562,252) | (3,569,506) | $ (11,641,442) | $ (27,864,191) | $ (8,245,279) | $ (5,753,979) | $ (2,914,235) | |
| Working capital deficit | (12,540,955) | (13,985,284) | ||||||||
| Cash and cash equivalents | 1,319,360 | 1,058,438 | 1,853,373 | 259,955 | ||||||
| Proceeds from convertible multi-draw credit agreement | 3,990,699 | 1,946,293 | ||||||||
| Net cash used in operating activities | $ (4,524,712) | $ (2,928,857) | (3,943,014) | $ (3,331,285) | ||||||
| Aggregate gross proceeds | 900,000 | |||||||||
| Emerald Financing | ||||||||||
| Nature Of Operations And Business Activities [Line Items] | ||||||||||
| Proceeds from Emerald Financing | 3,250,000 | |||||||||
| Aggregate gross proceeds | $ 400,000 | |||||||||
| Emerald Financing | Multi-Draw Credit Agreement | ||||||||||
| Nature Of Operations And Business Activities [Line Items] | ||||||||||
| Maximum borrowing capacity | $ 20,000,000 | |||||||||
| Principal amounts of borrowing capacity | $ 250,000 | |||||||||