Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2020

Financial Instruments [Abstract]

Cash and Available for Sale Securities Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses, and Fair Value by Significant Investment Category

The following tables represent cash and the available-for-sale securities adjusted cost, gross unrealized losses and fair value by significant investment category recorded as cash and cash equivalents or investment securities (in thousands):

	June 30, 2020
		Cost		Unrealized Gains		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash	$	130,733	$	-	$	-	$	130,733	$	130,733	$	-
Level 1:
Certificate of deposit		-		-		-		-		-		-
Money market accounts		95		-		-		95		95		-
Government & agency securities		2,830		63		-		2,893		-		2,893
		2,925		63		-		2,988		95		2,893
Level 2:
Municipal bonds		11,429		50		192		11,671		-		11,671
Total	$	145,087	$	113	$	192	$	145,392	$	130,828	$	14,564

	December 31, 2019
		Cost		Unrealized Gains		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash	$	36,593	$	-	$	-	$	36,593	$	36,593	$	-
Level 1:
Certificate of deposit		35,000		-		-		35,000		35,000		-
Money market accounts		5,381		-		-		5,381		5,381		-
Government & agency securities		2,832		2		-		2,834		-		2,834
		43,213		2		-		43,215		40,381		2,834
Level 2:
Municipal bonds		12,610		34		226		12,870		-		12,870
Total	$	92,416	$	36	$	226	$	92,678	$	76,974	$	15,704