Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018
		Cost		Unrealized Losses		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash	$	35,436	$	-	$	-	$	35,436	$	35,436	$	-
Level 1:
Certificate of deposit		40,000		-		-		40,000		40,000		-
Money market accounts		5,928		-		-		5,928		5,928		-
Government & agency securities		2,835		(72)		-		2,763		-		2,763
		48,763		(72)		-		48,691		45,928		2,763
Level 2:
Municipal bonds		16,791		(164)		280		16,907		-		16,907
Total	$	100,990	$	(236)	$	280	$	101,034	$	81,364	$	19,670

	December 31, 2017
		Cost		Unrealized Losses		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash	$	28,630	$	-	$	-	$	28,630	$	28,630	$	-
Level 1:
Certificate of deposit		45,000		-		-		45,000		45,000		-
Money market accounts		1,447		-		-		1,447		1,447		-
Government & agency securities		5,342		(67)		13		5,288		-		5,288
		51,789		(67)		13		51,735		46,447		5,288
Level 2:
Municipal bonds		18,404		(201)		266		18,469		-		18,469
Total	$	98,823	$	(268)	$	279	$	98,834	$	75,077	$	23,757