Financial Instruments (Tables)

12 Months Ended

Dec. 31, 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 present the Company’s cash and financial assets that are measured at fair value on a recurring basis for each of the hierarchy levels (in thousands):

	December 31, 2020
		Cost		Unrealized Gains		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash	$	159,754	$	-	$	-	$	159,754	$	159,754	$	-
Level 1:
Money market accounts		3,969		-		-		3,969		3,969		-
Government & agency securities		2,829		45		-		2,874		-		2,874
		6,798		45		-		6,843		3,969		2,874
Level 2:
Municipal bonds		7,689		42		147		7,878		-		7,878
Total	$	174,241	$	87	$	147	$	174,475	$	163,723	$	10,752

	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