Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Financial Instruments [Abstract]

Summary Of Unrealized Gain And Losses

	Three Months Ended
	March 31,
	2020		2019
Net gain (loss) recognized during the period on equity securities	$	(54)	$	133
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	$	(54)	$	133

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

	March 31,		December 31,
	2020		2019
Carrying amount	$	4,872,438	$	3,077,400
Estimated fair value		4,964,211		3,324,377