Additional shares under Initial Registration Statement.

No definition available.

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- Definition

The total price of an offering to the public, which is equal to the number of shares offered, multiplied by the price per share.

+ References

No definition available.

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- Definition

Percentage compensation as a percentage of gross proceeds from the sales of common stock.

+ References

No definition available.

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- Definition

Net of securities fees.

+ References

No definition available.

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- Definition

Remaining shares under Initial Registration Statement.

+ References

No definition available.

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- Definition

Amount of costs involved in stock issuance.

+ References

No definition available.

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- Definition

Per share or unit weighted-average selling price of stock in equity distribution agreement.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of new stock issued during the period.

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- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Shelf Registration and At-the-Market Offering - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended
	Aug. 31, 2021	Jul. 15, 2021	Jul. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Aug. 03, 2021
Registration Payment Arrangement [Line Items]
Aggregate gross sales price	$ 22,800	$ 40,000				$ 22,800
Proceeds from sales					$ 3,025
Offering costs					$ 157
Remaining shares available under Initial Registration Statement		37,000
Additional shares under Initial Registration Statement		$ 3,000
At-the-market Offering [Member]
Registration Payment Arrangement [Line Items]
Aggregate gross sales price	50,000					50,000
2019 Equity Distribution Agreement [Member]
Registration Payment Arrangement [Line Items]
Issuance of common stock (in shares)					1,186,000
Proceeds from sales					$ 3,025
Offering costs					$ 157
Weighted average sales price (in dollars per share)					$ 2.68
2021 Equity Distribution Agreement [Member]
Registration Payment Arrangement [Line Items]
Issuance of common stock (in shares)			4,316,000
Proceeds from sales			$ 38,800
Weighted average sales price (in dollars per share)			$ 9.27
Maximum [Member]
Registration Payment Arrangement [Line Items]
Aggregate gross sales price				$ 50,000		100,000
Offering costs	$ 100,000
JMP Securities [Member] \| 2021 Equity Distribution Agreement [Member]
Registration Payment Arrangement [Line Items]
Aggregate gross sales price						$ 50,000
Compensation percentage		3.00%
Net of securities fees			$ 1,200
JMP Securities [Member] \| 2021 Equity Distribution Agreement [Member] \| At-the-market Offering [Member]
Registration Payment Arrangement [Line Items]
Issuance of common stock (in shares)			4,316,000
Proceeds from sales			$ 38,800
Offering costs			$ 1,200
JMP Securities [Member] \| Maximum [Member] \| 2019 Equity Distribution Agreement [Member]
Registration Payment Arrangement [Line Items]
Aggregate gross sales price				$ 13,000
Compensation percentage				5.00%
JMP Securities [Member] \| Maximum [Member] \| 2021 Equity Distribution Agreement [Member] \| At-the-market Offering [Member]
Registration Payment Arrangement [Line Items]
Aggregate gross sales price		$ 40,000