Shareholder's Equity - Schedule of Stock-based Compensation Expense (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
Feb. 28, 2018	Mar. 31, 2018	Mar. 31, 2019	Dec. 31, 2017
Share-based compensation expense	$ 59,507	$ 146,429	$ 2,550,321	$ 4,384,844
Research and Development [Member]
Share-based compensation expense		49,875	572,918	618,482
General and Administrative [Member]
Share-based compensation expense		$ 96,554	$ 1,977,403	$ 3,766,362

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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