Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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-Name Accounting Standards Codification
-Topic 505
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Commitments - Exclusive License and Collaboration Agreement (Details) - USD ($)		3 Months Ended		6 Months Ended	37 Months Ended
	Nov. 19, 2015	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Dec. 31, 2018
Other Commitments [Line Items]
Stock issued during the period		$ 1,527,000	$ 642,000
Letter of Intent
Other Commitments [Line Items]
Stock newly-issued during the period (in shares)	14,327			0	66,520
Stock issued during the period	$ 120,300				$ 900,000
Additional stock issued during the period, upon milestones (in shares)	92,634