Investments (Tables)

6 Months Ended

Jun. 30, 2022

Investments

Schedule Of Cash And Cash Equivalents Andshort And Long-term Investments

	June 30,  2022			December 31, 2021
Cash and cash equivalents:
Money market funds	$	6,979		$	29,876
Commercial paper		7,841			-
Cash deposits		1,617			2,388
Total cash and cash equivalents	$	16,437		$	32,264
Short-term investments:
Commercial paper (held-to-maturity)	$	20,495		$	2,248
Bonds (held-to-maturity)		13,418			26,831
Equity securities (available for sale)		243			-
Allowance for credit losses		(10	)		(20	)
Total short-term investments	$	34,146		$	29,059
Long-term investments:
Bonds (held-to-maturity)	$	10,586		$	13,405
Equity securities (available for sale)		4,828			5,468
Mutual funds (available for sale)		385			559
Allowance for credit losses		(5	)		(9	)
Total long-term investments	$	15,794		$	19,423
Total cash, cash equivalents and short and long-term investments	$	66,377		$	80,746

Schedule Of Investments, Held-to-maturity Securities

Credit Quality Indicators	Fed Govt. Bonds/Notes		Municipal Bonds		Corporate Bonds		Totals
AAA/AA/A	$	2,243	$	630	$	8,547	$	11,420
BBB/BB		-		-		12,585		12,585
TOTAL	$	2,243	$	630	$	21,132	$	24,005

Schedule Of Gross Unrealized Gains And Losses On Investments

				Gross Unrealized
	Level	Cost		Gains		Losses			Fair Value
As of June 30, 2022:
Money market	1		6,979	$	-	$	-		$	6,979
Commercial paper	2		28,337	$	-	$	(37	)	$	28,300
Bonds	2		24,005	$	2	$	(275	)	$	23,732
Mutual funds	1		476	$	-	$	(91	)	$	385
Equity investments	2		6,054	$	-	$	(983	)	$	5,071
As of December 31, 2021:
Money Market	1		29,876	$	-	$	-		$	29,876
Commercial paper	2		2,248	$	-	$	-		$	2,248
Bonds	2		40,236	$	97	$	(37	)	$	40,296
Mutual funds	1		558	$	1	$	-		$	559
Equity investments	2		5,675	$	-	$	(207	)	$	5,468