Financial Instruments (Tables)

3 Months Ended

Mar. 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 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):

	March 31, 2020
		Cost		Unrealized Gains		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash	$	64,065	$	-	$	-	$	64,065	$	64,065	$	-
Level 1:
Certificate of deposit		20,000		-		-		20,000		20,000		-
Money market accounts		6,605		-		-		6,605		6,605		-
Government & agency securities		2,831		73		11		2,915		-		2,915
		29,436		73		11		29,520		26,605		2,915
Level 2:
Municipal bonds		11,516		13		149		11,678		-		11,678
Total	$	105,017	$	86	$	160	$	105,263	$	90,670	$	14,593

	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