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Stock-Based Compensation and Stock Options (Details) $ / shares in Units, $ in Thousands			1 Months Ended				3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 01, 2021 employee $ / shares shares	May 29, 2020 employee $ / shares shares	Apr. 30, 2022 shares	Sep. 30, 2019 $ / shares shares	Oct. 31, 2017 $ / shares shares	Sep. 30, 2015 $ / shares shares	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2020 shares	Dec. 31, 2021 $ / shares shares	Dec. 31, 2020 shares	Dec. 31, 2019 shares	Mar. 31, 2020 employee
Stock Options | September 2015 Plan | Mr. Ralph Bartel
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)						400,000
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares						$ 8.07
Stock Options | October 2017 Plan | Mr. Ralph Bartel
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)					400,000							150,000
Exercise price of employee option shares of common stock (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
Employee options granted to purchase shares of common stock (in shares)				300,000
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares				$ 10.79
Options vested and become exercisable annually (in shares)				75,000
Total stock-based compensation expense (reversal) | $							$ 71	$ 55
Unrecognized stock-based compensation expense | $							$ 137
Expected duration for recognition of stock based compensation expense							1 year 4 months 24 days
Stock Options | September 2019 Plan | Mr. Ralph Bartel
Share-based Compensation Arrangement by Share-based Payment Award
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares				$ 10.79
Options vested and become exercisable annually (in shares)				400,000
Stock Options | September 2019 Plan | Key Employees
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)				50,000
Number of key employees | employee													6
Stock Options | May 2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)		100,000								88,917	54,258
Options forfeited (in shares)										125,000	100,000
Options vested and exercisable in future periods (in shares)										150,000	75,000
Share price (in dollars per share) | $ / shares		$ 3.49
Shares issued upon exercise of options (in shares)		300,000
Stock Options | May 2020 Plan | Mr. Ralph Bartel
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)		800,000							1,900,000
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares		$ 3.49
Total stock-based compensation expense (reversal) | $							$ 385	385
Stock Options | May 2020 Plan | Key Employees
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)		200,000								24,474
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares		$ 3.49
Total stock-based compensation expense (reversal) | $							49	$ 59
Share-based compensation options were exercised (in shares)										50,000
Unrecognized stock-based compensation expense | $							$ 393
Expected duration for recognition of stock based compensation expense							2 years
Number of key employees | employee		2
Stock Options | June 2021 Plan | One Employee
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)	50,000
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares	$ 9.44
Total stock-based compensation expense (reversal) | $							$ 36
Unrecognized stock-based compensation expense | $							$ 395
Expected duration for recognition of stock based compensation expense							2 years 9 months 18 days
Number of key employees | employee	1
Employee Stock | September 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)										800,000
Employee Stock | October 2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)										300,000
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares										$ 1,900,000
Employee Stock | October 2017 Plan | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)			540,000
Employee Stock | May 2019 Plan | Mr. Ralph Bartel
Share-based Compensation Arrangement by Share-based Payment Award
Employee options granted to purchase shares of common stock (in shares)										681,902
Options exercised (in shares)										260,000

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