Stockholders' Equity - Common Stock are Reserved for Future Issuance (Details) - shares	Sep. 30, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding (in shares)	3,864,000	302,000
Stock options outstanding (in shares)	207,520	21,520
Shares reserved for future issuance under the Company’s 2019 Equity Incentive Plan (in shares)	101,000
Shares reserved for future issuance under the Employee Stock Purchase Plan (in shares)	8,000
Total common stock reserved for future issuance (in shares)	4,351,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs outstanding (in shares)	170,000	0

Common Stock Capital Shares Reserved For Future Issuance Of Employee Stock Purchase Plan

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- Definition

Options reserved for future issuance under the Company's 2007 Incentive Plan.

+ References

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- Definition

Number of warrants or rights outstanding.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

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

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