Investments (Tables)

12 Months Ended

Dec. 31, 2020

Investments [Abstract]

Schedule of cost and estimated fair value of investments

	Cost		Gross unrealized gain		Gross unrealized loss			Fair value
December 31, 2020
Commercial Paper	$	718	$	0	$	0		$	718
Treasury Bills		7,998		1		0			7,999
Equity Securities		54		0		(12	)		42
		8,770		1		(12	)		8,759
Less Cash Equivalents		718		0		0			718
Total Investments, December 31, 2020	$	8,052	$	1	$	(12	)	$	8,041
December 31, 2019
Commercial Paper	$	797	$	0	$	0		$	797
Treasury Bills		7,734		0		0			7,734
Equity Securities		54		0		(9	)		45
		8,585		0		(9	)		8,576
Less Cash Equivalents		8,531		0		0			8,531
Total Investments, December 31, 2019	$	54	$	0	$	(9	)	$	45

Schedule of Changes in Accumulated Other Comprehensive Income

	December 31,
	2020		2019
Unrealized Gains
Unrealized holding gains arising during the period	$	1	$	0
Less: Reclassification of gains included in net income (loss)		0		(41	)
		1		(41	)
Deferred Taxes on Unrealized Gains:
Increase in deferred taxes on unrealized gains arising during the period		0		0
Less: Reclassification of taxes on gains included in net income (loss)		0		(9	)
		0		(9	)
Net Change in Accumulated Other Comprehensive Income (Loss)	$	1	$	(32	)