Common Stock Issued In Lieu Of Board Fees

No definition available.

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- Definition

Number of common shares held by the related party representing the voting power.

+ References

No definition available.

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- Definition

Value of stock purchased by board.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Related Party Transactions - Overview of Related Parties (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Apr. 30, 2020	Dec. 31, 2019
Related Party Transactions
Number of Warrants	5,098,916			5,098,916
Common stock issued in lieu of board fees	56,014	13,719
Maximum
Related Party Transactions
Proceeds from issuance of common stock in lieu of director board and committee fees	$ 0.1	$ 0.1
Baker Bros. Advisors LP
Related Party Transactions
Ownership percentage	15.00%
Aggregate common shares	4,608,786
Baker Bros. Advisors LP \| Series B1 Preferred Warrant \| Scenario One
Related Party Transactions
Exercise price of warrants	$ 1.52
Number of Warrants	23,684
Baker Bros. Advisors LP \| Series B1 Preferred Warrant \| Scenario Two
Related Party Transactions
Exercise price of warrants	$ 152
Baker Bros. Advisors LP \| Series B1 Preferred Warrant \| Scenario Two \| Maximum
Related Party Transactions
Number of Shares	2,368,400
Pillar Investment Entities
Related Party Transactions
Ownership percentage			19.00%
Pillar Investment Entities \| Board of Director
Related Party Transactions
Ownership percentage	11.00%
Baker Bros. Advisors LP \| Pre-funded Warrants \| Scenario One
Related Party Transactions
Exercise price of warrants	$ 0.08
Baker Bros. Advisors LP \| Pre-funded Warrants \| Scenario One \| Maximum
Related Party Transactions
Number of Shares	2,708,812