Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2020

Financial Instruments [Abstract]

Summary Of Unrealized Gain And Losses

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Net gain (loss) recognized during the period on equity securities	$	(7)	$	60	$	(61)	$	193
Less: net gain / loss recognized during the period on equity securities sold during the period		-		-		-		-
Unrealized gain (loss) recognized during the reporting period on equity securities still held at the reporting date	$	(7)	$	60	$	(61)	$	193

Schedule Of Carrying Amounts And Estimated Fair Values Of Long-Term Debt

	June 30,		December 31,
	2020		2019
Carrying amount	$	5,301,209	$	3,077,400
Estimated fair value		5,737,873		3,324,377