Fair Value Measurements (Narrative) (Details) - USD ($)	3 Months Ended
	Jun. 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		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