Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) - IPO (Details) $ / shares in Units, $ in Millions	1 Months Ended
Nov. 30, 2019 USD ($) $ / shares shares
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Received net proceeds of after deducting underwriting discounts, commissions and other offering expenses \| $	$ 50.6
IPO
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Number of shares issued and sold	4,398,700
Public offering price per share \| $ / shares	$ 13.00
Over-Allotment Option
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Number of shares issued and sold	398,700
Convertible Preferred Stock \| IPO
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Aggregate of common stock	6,708,649
Warrants \| IPO
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Aggregate of common stock	88,556

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Cash received on stock transaction after deduction of issuance costs.

+ References

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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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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