Redeemable convertible preferred stock (Details) - USD ($)
$ / shares in Units, $ in Thousands |
|
1 Months Ended |
3 Months Ended |
|
|
Apr. 23, 2019 |
Feb. 28, 2019 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Dec. 31, 2019 |
| Redeemable convertible preferred stock |
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|
|
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|
| Average price (in dollars per sale) |
|
|
|
$ 11.62
|
$ 12.23
|
| Amount reclassified upon conversion of Preferred Stock |
|
|
$ 142,048
|
|
|
| Preferred Stock outstanding (in shares) |
|
|
0
|
0
|
|
| Undesignated Preferred Stock authorized (in shares) |
|
|
|
10,000,000
|
|
| IPO |
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|
|
|
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| Redeemable convertible preferred stock |
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|
|
|
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| Outstanding shares of Preferred Stock converted (in shares) |
1,580,506
|
|
|
|
|
| Amount reclassified upon conversion of Preferred Stock |
$ 142,000
|
|
|
|
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| Common Stock | IPO |
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| Redeemable convertible preferred stock |
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|
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| Average price (in dollars per sale) |
$ 14.00
|
|
|
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| Issuance costs |
$ 9,400
|
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|
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| Stock issued upon conversion of Preferred Stock (in shares) |
14,582,161
|
|
|
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| Series D Preferred Stock |
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| Redeemable convertible preferred stock |
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|
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| Preferred Stock issued (in shares) |
|
257,000
|
|
|
|
| Average price (in dollars per sale) |
|
$ 145.65
|
|
|
|
| Gross Proceeds from issuance of stock |
|
$ 37,400
|
|
|
|
| Issuance costs |
|
$ 200
|
|
|
|
| Class A common stock | IPO |
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|
|
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| Redeemable convertible preferred stock |
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|
|
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| Stock issued upon conversion of Preferred Stock (in shares) |
3,819,732
|
|
|
|
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| Class A common stock | Common Stock |
|
|
|
|
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| Redeemable convertible preferred stock |
|
|
|
|
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| Stock issued upon conversion of Preferred Stock (in shares) |
|
|
3,819,732
|
|
|
| Amount reclassified upon conversion of Preferred Stock |
|
|
$ 0
|
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|