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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
	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