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Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights Period for Remaining Percentage

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Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized, Period for Yearly Increase

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Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Yearly Increase

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Aggregate number of common shares reserved for future issuance.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of shares issued for each share of convertible preferred stock that is converted.

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholder, which takes precedence over common stockholders in the event of liquidation and from issuance of rights to purchase common shares at a predetermined price.

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Cash received on stock transaction after deduction of issuance costs.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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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.

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Discount rate from fair value on purchase date that participants pay for shares.

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

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

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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.

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

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

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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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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Stockholders' Equity (Narrative) (Details) $ / shares in Units, $ in Millions				1 Months Ended
	Jun. 24, 2022	Nov. 23, 2021 shares	Jan. 22, 2020 shares	Jun. 30, 2022	Nov. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2022 vote shares	Dec. 31, 2021 shares
Subsidiary, Sale of Stock [Line Items]
Common stock, shares outstanding (in shares)						16,840,261	14,597,118
Common stock voting rights votes \| vote						1
Reverse stock split ratio	0.1
Total common shares reserved for future issuance (in shares)						13,884,000
2021 Closing
Subsidiary, Sale of Stock [Line Items]
Share sold (in shares)					5,892,335
Sale of stock price (in usd per share) \| $ / shares					$ 3.60
Consideration received \| $					$ 34.6
Shares issued upon conversion (in shares)					1
Class A-4 Convertible Preferred Stock \| 2021 Closing
Subsidiary, Sale of Stock [Line Items]
Sale of stock price (in usd per share) \| $ / shares					$ 3.60
Nonvoting convertible preferred stock issued (in shares)					372,572
Directors, Executive Officers and Employees \| 2021 Closing
Subsidiary, Sale of Stock [Line Items]
Share sold (in shares)					222,222
Directors, Executive Officers and Employees \| Class A-4 Convertible Preferred Stock \| 2021 Closing
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of right to purchase common shares \| $					$ 0.8
2019 Plan
Subsidiary, Sale of Stock [Line Items]
Number of additional shares authorized (in shares)			416,686
Number of years for increase of authorized shares			10 years
Number of additional shares authorized yearly increase (as a percent)			5.00%
Common stock available for future grant (in shares)						365,628
Total common shares reserved for future issuance (in shares)						1,470,768
Inducement Plan
Subsidiary, Sale of Stock [Line Items]
Common stock available for future grant (in shares)						160,000
Total common shares reserved for future issuance (in shares)		200,000				40,000
Vesting period		4 years
Inducement Plan \| Share-based Payment Arrangement, Tranche One
Subsidiary, Sale of Stock [Line Items]
Award vesting percentage		25.00%
Inducement Plan \| Share-based Payment Arrangement, Tranche Two
Subsidiary, Sale of Stock [Line Items]
Vesting period for remaining vesting rights		36 months
Employee Stock Purchase Plan Two Thousand Twelve \| 2022 Employee Stock Purchase Plan
Subsidiary, Sale of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, discount from market price, purchase date				15.00%
Share-based compensation arrangement by share-based payment award, purchase price of common stock, percent				85.00%
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares)						129,107