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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
Mar. 31, 2023
$ / 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, 2015
$ / shares
shares
Jun. 30, 2023
USD ($)
extension
shares
Jun. 30, 2022
USD ($)
shares
Mar. 31, 2022
USD ($)
Jun. 30, 2023
USD ($)
extension
shares
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
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) | $                     $ 385            
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             18,098           88,917 54,258  
Exercise price (in dollars per share) | $ / shares   $ 3.49                              
Options exercised (in shares)                 50,000           150,000 75,000  
Shares issued upon exercise of options (in shares)   300,000                              
Options forfeited (in shares)                             125,000 100,000  
Options outstanding (in shares)                 100,000     100,000          
Options vested (in shares)                       25,000          
Total stock-based compensation expense (reversal) | $                 $ 72 $ 72   $ 145 $ 145        
Unrecognized stock-based compensation expense | $                 $ 48     $ 48          
Expected duration for recognition of stock based compensation expense                       2 months 12 days          
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             121,307           390,809   1,900,000
Exercise price (in dollars per share) | $ / shares   $ 3.49                              
Options exercised (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             20,075         4,676 24,474    
Exercise price (in dollars per share) | $ / shares   $ 3.49                              
Options exercised (in shares)                 50,000                
Number of key employees | employee   2                              
Options outstanding (in shares)                 25,000     25,000          
Options vested (in shares)                       0   50,000      
Total stock-based compensation expense (reversal) | $                 $ 24 49   $ 98 49        
Unrecognized stock-based compensation expense | $                 $ 74     $ 74          
Expected duration for recognition of stock based compensation expense                       9 months 18 days          
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 36   $ 72 72        
Unrecognized stock-based compensation expense | $                 215     $ 215          
Expected duration for recognition of stock based compensation expense                       1 year 6 months          
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 $ 433   $ 433 $ 433        
Unrecognized stock-based compensation expense | $                 $ 433     $ 433          
Expected duration for recognition of stock based compensation expense                       6 months          
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                       450,000          
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     $ 60   $ 0      
Unrecognized stock-based compensation expense | $                 $ 308     $ 308          
Expected duration for recognition of stock based compensation expense                       2 years          
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                 16,666     16,666   0      
Performance target extension period                       3 months          
Number of extensions | extension                 3     3          
Stock Options | March 2023                                  
Share-based Compensation Arrangement by Share-based Payment Award                                  
Share purchase amount of options granted     200,000                 200,000          
Exercise price (in dollars per share) | $ / shares     $ 4.96                            
Options vested (in shares)                       25,000          
Total stock-based compensation expense (reversal) | $                 $ 52     $ 70          
Unrecognized stock-based compensation expense | $                 $ 487     $ 487          
Expected duration for recognition of stock based compensation expense                       3 years 6 months          
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