Maximum percentage of payroll deduction that is eligible to purchase stock.

No definition available.

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- Definition

Period within which the number of shares of common stock available for issuance under the plan will be automatically increased.

+ References

No definition available.

+ Details

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- Definition

Shares that will be automatically increased and become available for issuance under the plan as a percent to the outstanding shares.

+ References

No definition available.

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- Definition

Ratio applied to the conversion of equity.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

+ References

No definition available.

+ Details

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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- Definition

Number of new stock issued during the period.

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent events (Details) - $ / shares			1 Months Ended
Subsequent events (Details) - $ / shares	Apr. 20, 2021	Apr. 08, 2021	Apr. 30, 2021	Feb. 28, 2021
2015 Plan
Subsequent Event [Line Items]
Increase in number of shares of common stock authorized for issuance				1,072,961
2015 Plan \| Minimum
Subsequent Event [Line Items]
Number of shares of common stock authorized for issuance				4,947,214
2015 Plan \| Maximum
Subsequent Event [Line Items]
Number of shares of common stock authorized for issuance				6,020,175
Subsequent Event
Subsequent Event [Line Items]
Reverse stock split ratio		2.33
Subsequent Event \| Common Stock
Subsequent Event [Line Items]
Conversion of stock	26,545,579
Subsequent Event \| IPO
Subsequent Event [Line Items]
Shares Issued			7,567,000
Price per share			$ 20.00
Subsequent Event \| IPO \| Common Stock
Subsequent Event [Line Items]
Shares Issued	7,567,000
Price per share	$ 20.00
Subsequent Event \| IPO \| Preferred Stock
Subsequent Event [Line Items]
Conversion of stock	(26,545,579)
Subsequent Event \| Over-Allotment Option
Subsequent Event [Line Items]
Shares Issued			987,000
Subsequent Event \| Over-Allotment Option \| Common Stock
Subsequent Event [Line Items]
Shares Issued	987,000
Subsequent Event \| Class A Common Stock
Subsequent Event [Line Items]
Conversion of stock	2,563,765		2,563,765
Subsequent Event \| Class B Common Stock
Subsequent Event [Line Items]
Stock Conversion Ratio		1
Conversion of stock		(2,563,765)
Subsequent Event \| Class B Common Stock \| IPO
Subsequent Event [Line Items]
Conversion of stock	2,563,765
Subsequent Event \| 2015 Plan \| Common Stock
Subsequent Event [Line Items]
Number of shares of common stock authorized for issuance			6,020,175
Subsequent Event \| 2021 Plan
Subsequent Event [Line Items]
Number of shares of common stock authorized for issuance		1,727,953
Period within which the number of shares of common stock available for issuance under the plan will be automatically increased		10 years
Shares that will be automatically increased and become available for issuance under the plan as a percent to the outstanding shares		5.00%
Subsequent Event \| 2021 ESPP
Subsequent Event [Line Items]
Number of shares of common stock authorized for issuance		172,795
Period within which the number of shares of common stock available for issuance under the plan will be automatically increased		10 years
Shares that will be automatically increased and become available for issuance under the plan as a percent to the outstanding shares		0.50%
Maximum percentage of payroll deduction that is eligible to purchase stock		15.00%