Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.22.0.1
Summary of Significant Accounting Policies (Narrative) (Details)
 12 Months Ended
Dec. 31, 2021
USD ($)
segment
$ / shares
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
shares
Summary of Significant Accounting Policies [Line Items]      
Number of segments | segment 2    
Cash and cash equivalents | $ $ 3,491,160 $ 12,789,975  
Money market funds | $ $ 855,000    
Value of the investment in short-term money market funds sought to be preserved (in dollars per share) | $ / shares $ 1.00    
Depreciation | $ $ 365,000 371,000  
Maximum matching percentage by employer 6.00%    
Contributions to the plan | $ $ 122,000 $ 109,000  
Number of options outstanding   1,173,190 1,130,472
Stock Options and Shares Associated with Long-Term Incentive Compensation Plans [Member]      
Summary of Significant Accounting Policies [Line Items]      
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans 137,661 0  
Stock Options or Unvested Shares [Member]      
Summary of Significant Accounting Policies [Line Items]      
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans   0  
Employee Stock Option [Member]      
Summary of Significant Accounting Policies [Line Items]      
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans   697,201  
Deferred Stock Awards [Member]      
Summary of Significant Accounting Policies [Line Items]      
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans   110,308  
Number of options outstanding 0