Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2019

The following is a summary of available-for-sale securities at:



($ in thousands)		June 30, 2019				December 31, 2018
Marketable Securities:	Fair Value Hierarchy	Cost		Fair Value		Cost		Fair Value
Certificates of deposit
with unrecognized losses for less than 12 months		$	498	$	497	$	250	$	248
with unrecognized losses for more than 12 months		4,012		4,005		3,861		3,812
with unrecognized gains		—		—		—		—
Total Certificates of deposit	Level 1	4,510		4,502		4,111		4,060
U.S. Treasury and agency notes
with unrecognized losses for less than 12 months		3,888		3,883		3,112		3,105
with unrecognized losses for more than 12 months		10,861		10,845		23,564		23,415
with unrecognized gains		11,574		11,587		3		4
Total U.S. Treasury and agency notes	Level 2	26,323		26,315		26,679		26,524
Corporate notes
with unrecognized losses for less than 12 months		1,898		1,897		13,696		13,665
with unrecognized losses for more than 12 months		6,000		5,990		12,542		12,431
with unrecognized gains		11,098		11,114		—		—
Total Corporate notes	Level 2	18,996		19,001		26,238		26,096
Municipal notes
with unrecognized losses for less than 12 months		—		—		2,994		2,982
with unrecognized losses for more than 12 months		1,417		1,416		4,116		4,087
with unrecognized gains		5,260		5,267		—		—
Total Municipal notes	Level 2	6,677		6,683		7,110		7,069
		$	56,506	$	56,501	$	64,138	$	63,749

The following tables summarize the maturities, at par, of marketable securities as of: