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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Stockholders' Equity (Details) - $ / shares	Jun. 04, 2018	Sep. 30, 2020	May 20, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Stock shares authorized (in shares)		300,000,000
Preferred stock, shares authorized (in shares)		100,000,000
Common stock, shares issued (in shares)		20,521,220
Common stock, shares outstanding (in shares)		20,346,998
Warrants exercise price (USD per share)			$ 0.001
Ownership percentage, individual			10.00%
Ownership percentage, investor			20.00%
Class A Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000		100,000,000
Common stock, shares issued (in shares)		18,104,967		15,750,097
Common stock, shares outstanding (in shares)		17,930,745		15,681,439
Ownership percentage, individual			50.00%
Ownership percentage, investor			20.00%
Sale of stock price (usd per share)			$ 25.00
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		100,000,000		100,000,000
Common stock, shares issued (in shares)		2,416,253		1,926,848
Common stock, shares outstanding (in shares)		2,416,253		1,926,848
Sale of stock price (usd per share)			25.00
Series I Warrants
Class of Stock [Line Items]
Number of warrants issued (shares)	3,016,853
Warrants exercise price (USD per share)	$ 0.0000001
Sale of stock price (usd per share)			25.00
Series 2 warrants
Class of Stock [Line Items]
Number of warrants issued (shares)	712,736
Warrants exercise price (USD per share)	$ 0.0000001
Sale of stock price (usd per share)			$ 25.00