Equity Financings and Warrants - Summary of Warrants by Year of Expiration (Details) - 2020	3 Months Ended
Mar. 31, 2020 $ / shares shares
Class Of Warrant Or Right [Line Items]
Year of Expiration	2022
Number of Warrants \| shares	133,401
Weighted Average Exercise Price \| $ / shares	$ 109.80

Number of warrants or rights outstanding.

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

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant