Percentage of shareholders participating in exercise price of granted shares.

No definition available.

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- Definition

Gross number of shares (or share units) granted during the period.

+ References

No definition available.

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- Definition

Represents the period from adoption of plan date that an equity-based award are granted.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ 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
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- References

No definition available.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

+ 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)
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-Publisher FASB
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-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ 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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- References

No definition available.

+ Details

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- Definition

Number of shares issued under share-based payment arrangement.

+ References

+ Details

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

+ Details

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ 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)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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Stockholders' Equity (Options) (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 22, 2023	Apr. 17, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Nov. 03, 2014	Apr. 30, 2007
Stock options
Number of options
Balance at the beginning of period (in shares)					89,678
Options forfeited (in shares)					(2,619)
Balance at the end of the period (in shares)			87,059		87,059		89,678
Weighted average exercise price
Balance at the beginning of period (in dollars per share)					$ 42.78
Forfeited					139.79
Balance at the end of period (in dollars per share)			$ 39.86		$ 39.86		$ 42.78
Additional information
Weighted average remaining contractual term					6 years 9 months 10 days		7 years 1 month 9 days
Stock-based compensation expense			$ 0.2	$ 0.2	$ 0.3	$ 0.3
2014 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future grants			314,016		314,016
Additional shares of common stock issued		107,024
Common stock reserved for issuance (in shares)								102,750
Number of shares available for future grants			(314,016)		(314,016)
2014 Plan \| Stock options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional shares of common stock issued		428,098
2007 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)									169,045
Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future grants			303,496		303,496
Number of shares awarded					528,221
Grant period of stock awards					10 years
Vesting period					1 year
Number of shares available for future grants			(303,496)		(303,496)
Inducement Plan \| On the first anniversary
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage					25.00%
Inducement Plan \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Purchase price of awards expressed as a percentage of fair value of shares on the date of grant					100.00%
Inducement Plan \| Minimum \| Individual options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage					25.00%
2007 Plan and 2014 Plan \| Stock options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant period of stock awards					10 years
2007 Plan and 2014 Plan \| Stock options \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Purchase price of awards expressed as a percentage of fair value of shares on the date of grant					100.00%
Percentage of voting power owned by shareholder			10.00%		10.00%
2007 Plan and 2014 Plan \| Stock options \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Purchase price of awards expressed as a percentage of fair value of shares on the date of grant					110.00%
2016 Plan \| Stock options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional shares of common stock issued	511,128