Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Narrative) (Details)

v3.21.2
Fair Value Measurements (Narrative) (Details) - USD ($)
3 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration   $ 550,000
Transfers between levels $ 0  
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration   550,000
Contingent Consideration [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 0 550,000
Contingent Consideration [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration   $ 550,000