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Stock-Based Compensation and Stock Options (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
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Jun. 01, 2021 employee $ / shares shares | May 29, 2020 employee $ / shares shares | Mar. 31, 2023 USD ($) extension $ / shares shares | Jun. 30, 2022 $ / shares shares | Mar. 31, 2022 $ / shares shares | Sep. 30, 2019 employee $ / shares shares | Oct. 31, 2017 $ / shares shares | Sep. 30, 2017 shares | Sep. 30, 2015 $ / shares shares | Mar. 31, 2023 USD ($) extension shares | Jun. 30, 2022 USD ($) shares | Mar. 31, 2022 USD ($) | Dec. 31, 2022 shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 shares | Dec. 31, 2019 shares
Stock Options | September 2015 Plan | Mr. Ralph Bartel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 8.07 |  |  |  |  |  |  |
Stock Options | October 2017 Plan | Mr. Ralph Bartel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  |  | 400,000 | 150,000 |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 6.95 |  |  |  |  |  |  |  |  |
Options exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000
Stock Options | September 2019 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  | 300,000 |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  |  |  |  | $ 10.79 |  |  |  |  |  |  |  |  |  |
Options vest (in shares) |  |  |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense (reversal) | $ |  |  |  |  |  |  |  |  |  | $ 72 |  | $ 71 |  | $ 385 |  |
Unrecognized stock-based compensation expense | $ |  |  | $ 121 |  |  |  |  |  |  | $ 121 |  |  |  |  |  |
Expected duration for recognition of stock based compensation expense |  |  |  |  |  |  |  |  |  | 4 months 24 days |  |  |  |  |  |
Stock Options | September 2019 Plan | Mr. Ralph Bartel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  |  |  |  | $ 10.79 |  |  |  |  |  |  |  |  |  |
Options vest (in shares) |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |
Stock Options | September 2019 Plan | Key Employees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |
Number of key employees | employee |  |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |
Stock Options | May 2020 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  | 88,917 | 54,258 |
Exercise price (in dollars per share) | $ / shares |  | $ 3.49 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon exercise of options (in shares) |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options forfeited (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,000 | 100,000 |
Options vested and exercisable in future periods (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 | 75,000 |
Options outstanding (in shares) |  |  | 150,000 |  |  |  |  |  |  | 150,000 |  |  |  |  |  |
Options vested (in shares) |  |  |  |  |  |  |  |  |  | 75,000 |  |  |  |  |  |
Stock Options | May 2020 Plan | Mr. Ralph Bartel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  | 800,000 |  |  |  |  |  |  |  |  |  |  |  | 390,809 |  | 1,900,000
Exercise price (in dollars per share) | $ / shares |  | $ 3.49 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding (in shares) |  |  | 200,000 |  |  |  |  |  |  | 200,000 |  |  |  |  |  |
Options vested (in shares) |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  |  |
Share-based compensation options were exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 600,000 |  |
Stock Options | May 2020 Plan | Key Employees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  | 200,000 |  |  |  |  |  |  |  |  |  |  | 4,676 | 24,474 |  |
Exercise price (in dollars per share) | $ / shares |  | $ 3.49 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of key employees | employee |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding (in shares) |  |  | 75,000 |  |  |  |  |  |  | 75,000 |  |  |  |  |  |
Options vested (in shares) |  |  |  |  |  |  |  |  |  | 50,000 |  |  | 50,000 |  |  |
Total stock-based compensation expense (reversal) | $ |  |  |  |  |  |  |  |  |  | $ 25 |  | $ 49 |  |  |  |
Unrecognized stock-based compensation expense | $ |  |  | $ 98 |  |  |  |  |  |  | $ 98 |  |  |  |  |  |
Expected duration for recognition of stock based compensation expense |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Share-based compensation options were exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 | 50,000 |  |
Stock Options | June 2021 Plan | One Employee |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares | $ 9.44 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of key employees | employee | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding (in shares) |  |  | 50,000 |  |  |  |  |  |  | 50,000 |  |  |  |  |  |
Options vested (in shares) |  |  |  |  |  |  |  |  |  | 25,000 |  |  |  |  |  |
Total stock-based compensation expense (reversal) | $ |  |  |  |  |  |  |  |  |  | $ 36 |  |  |  |  |  |
Unrecognized stock-based compensation expense | $ |  |  | $ 251 |  |  |  |  |  |  | $ 251 |  |  |  |  |  |
Expected duration for recognition of stock based compensation expense |  |  |  |  |  |  |  |  |  | 1 year 9 months 18 days |  |  |  |  |  |
Stock Options | March 2022 plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |
Award vesting period |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |
Stock Options | March 2022 plan | Holger Bartel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  | 600,000 |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  |  |  | $ 8.14 |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense (reversal) | $ |  |  |  |  |  |  |  |  |  | $ 216 |  |  |  |  |  |
Unrecognized stock-based compensation expense | $ |  |  | $ 648 |  |  |  |  |  |  | $ 648 |  |  |  |  |  |
Expected duration for recognition of stock based compensation expense |  |  |  |  |  |  |  |  |  | 9 months 18 days |  |  |  |  |  |
Vesting percentage |  |  |  |  | 25.00% |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number |  |  | 600,000 |  |  |  |  |  |  | 600,000 |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested, number |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  |  |  |
Stock Options | June 2022 plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  |  | $ 6.78 |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense (reversal) | $ |  |  |  |  |  |  |  |  |  | $ 30 |  |  |  |  |  |
Unrecognized stock-based compensation expense | $ |  |  | $ 338 |  |  |  |  |  |  | $ 338 |  |  |  |  |  |
Expected duration for recognition of stock based compensation expense |  |  |  |  |  |  |  |  |  | 2 years 3 months |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number |  |  | 100,000 |  |  |  |  |  |  | 100,000 |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested, number |  |  |  |  |  |  |  |  |  | 8,333 |  |  |  |  |  |
Number of extensions | extension |  |  | 3 |  |  |  |  |  |  | 3 |  |  |  |  |  |
Performance target extension period (in months) |  |  |  |  |  |  |  |  |  | 3 months |  |  |  |  |  |
Stock Options | March 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ / shares |  |  | $ 4.96 |  |  |  |  |  |  |  |  |  |  |  |  |
Options vested (in shares) |  |  | 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense (reversal) | $ |  |  | $ 17 |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized stock-based compensation expense | $ |  |  | $ 539 |  |  |  |  |  |  | $ 539 |  |  |  |  |  |
Expected duration for recognition of stock based compensation expense |  |  | 3 years 9 months 18 days |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  | 12.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Stock | September 2015 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  |  |  |  |  |  |  |  |  | 800,000 |  |
Employee Stock | October 2017 Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  |  |  |  |  |  | 540,000 |  |  | 300,000 |  |
Exercise of stock options, net of taxes paid for net share settlement | $ |  |  |  |  |  |  |  |  |  |  | $ 1,900 |  |  |  |  |
Employee Stock | May 2019 Plan | Mr. Ralph Bartel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share purchase amount of options granted |  |  |  |  |  |  |  |  |  |  |  |  |  | 681,902 |  |
Options exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 260,000 |  |

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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 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)(iv)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + 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)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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