Stockholders' Equity - Warrants By Exercise Price (Details) - $ / shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of Shares	7,036,874	2,954,315	1,480,139
Exercise Price	$ 3.67	$ 7.62	$ 11.05
5/7/2018
Issuance Date	May 07, 2018
Number of Shares	403,025
Exercise Price	$ 11.09
Expiration Date	May 08, 2023
11/26/2018
Issuance Date	Nov. 26, 2018
Number of Shares	313,358
Exercise Price	$ 11.55
Expiration Date	Nov. 26, 2023
1/28/2021
Issuance Date	Jan. 28, 2021
Number of Shares	31,000
Exercise Price	$ 5.78
Expiration Date	Jan. 28, 2023
Common stock warrants
Exercise Price	$ 11.06

Issuance Date of options.

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- Definition

Date the equity-based award expires, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

+ Details

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