Equity - Consultant Stock Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock for services 1.93 per share	$ 1.93
Common stock for services 2.33 per share	$ 2.33	$ 2.33
Common stock for services 1.03 per share		$ 1.03
Consultant Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserved but unissued shares under the Consultant Plan at January 1	212,000	190,000
Increases in the number of authorized shares under the Consultant Plan	14,000	33,000
Stock grants	(15,000)	(11,000)
Reserved but unissued shares under the Consultant Plan at Period End	211,000	212,000
Maximum increase in available number of authorized shares as a percentage of new shares issued	1.00%
Consultant Stock Plan \| General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 33	$ 17
Consultant Stock Plan \| October 1, 2021 to September 30, 2022 \| Consultant, Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued for services (in shares)	15,000
Common stock for services 1.93 per share	$ 1.93
Allocated Share-based Compensation Expense	$ 7
Value of stock options granted	$ 29
Shares expensed in period	3,700
Consultant Stock Plan \| September 1, 2020 through September 30, 2021 \| Consultant, Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued for services (in shares)	15,000
Common stock for services 2.33 per share	$ 2.33
Allocated Share-based Compensation Expense	$ 26	$ 9
Value of stock options granted	$ 35
Shares expensed in period	11,300	3,700
Consultant Stock Plan \| September 1, 2019 through August 31, 2020 \| Consultant, Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued for services (in shares)		10,000
Allocated Share-based Compensation Expense		$ 8
Consultant Stock Plan \| September 1, 2019 through August 31, 2020 \| Consultant, Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock for services 2.33 per share		$ 1.03
Value of stock options granted		$ 10
Shares expensed in period		7,500

Per share value of common share granted (first issue) during the period for services.

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Per share value of common share granted (issue three) during the period for services.

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Per share value of common share granted during the period for services.

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Number of shares for the expense related to stock grant allocated to general and administrative expenses.

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It represents increase decrease in percentage of share based compensation.

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Equity impact of the value of new stock issued for services during the period, with specified price per share three.

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

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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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Net number of non-option equity instruments granted to participants.

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Number of additional 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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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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