Income Taxes - Deferred income taxes (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred tax asset (liability):
Unrealized gains on marketable securities		$ (101,521)	$ (155,578)
Start-up costs	$ 357,750	241,613	52,801
Less: Valuation Allowance	$ (357,750)	(241,613)
Deferred tax liability		$ (101,521)	$ (102,777)

Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on trading securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 25
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=115928272&loc=d3e28680-109314

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant