Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

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

Merger and Financing - Pre-Merger Financing (Details) - USD ($) shares in Millions, $ in Millions	Oct. 04, 2019	Jun. 30, 2019	Apr. 05, 2019
Reverse Merger and Financing
Shares issued (in shares)			0.1
Financing SPA
Reverse Merger and Financing
Shares issued (in shares)	2.2	2.2
Aggregate purchase price	$ 25.0