Warrant - Fair value assumptions (Details) $ in Millions	Sep. 30, 2022 USD ($) $ / shares
Warrant
Fair value of warrants \| $	$ 0.4
Stock price
Warrant
Warrants, measurement input \| $ / shares	1.41
Strike price
Warrant
Warrants, measurement input	0.0132
Volatility (annual)
Warrant
Warrants, measurement input	0.7530
Risk-free rate
Warrant
Warrants, measurement input	0.0274
Estimated time to expiration (years)
Warrant
Warrants, measurement input	10
Dividend yield
Warrant
Warrants, measurement input	0.0000

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Name:	us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant