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)

v3.22.2.2

Summary of Warrant Activity (Details) shares in Thousands	6 Months Ended
Summary of Warrant Activity (Details) shares in Thousands	Jun. 30, 2022 shares
Warrant [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning	243
Number of warrants exercised
Number of warrants expired
Number of warrants outstanding, ending	243
Warrant Liabilities [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	84
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	84
Warrant expiration date	Oct. 27, 2022
October 2013 Warrants [Member] \| Warrant Liabilities [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning	26
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	26
Warrant expiration date	Oct. 24, 2023
January 2014 Warrants [Member] \| Warrant Liabilities [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of warrants outstanding, beginning	133
Number of warrants exercised
Number of warrants granted
Number of warrants expired
Number of warrants outstanding, ending	133
Warrant expiration date	Jan. 16, 2024

- Definition

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- Definition

Number of non-option equity instruments exercised by participants.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in YYYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
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