Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Summary of Warrant Activity (Details)

v3.23.1

Summary of Warrant Activity (Details) shares in Thousands	3 Months Ended
Summary of Warrant Activity (Details) shares in Thousands	Mar. 31, 2023 shares
Warrant [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning	13
Number of warrants exercised
Number of warrants expired
Number of warrants outstanding, ending	13
Warrant [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants granted
May 2018 Warrants [Member] \| Equity [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending
Warrant expiration date
October 2013 Warrants [Member] \| Warrant Liabilities [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning	2
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	2
Warrant expiration date
January 2014 Warrants [Member] \| Warrant Liabilities [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning	11
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	11
Warrant expiration date

- 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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