MARKETABLE SECURITIES (Tables)

12 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities

The following is a summary of available-for-sale securities at December 31:

($ in thousands)		2023				2022
Marketable Securities:	Fair Value Hierarchy	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Certificates of deposit
with unrecognized losses for less than 12 months		$	174	$	174	$	—	$	—
with unrecognized gains		385		385		—		—
Total Certificates of deposit	Level 1	559		559		—		—
U.S. Treasury and agency notes
with unrecognized losses for less than 12 months		13,797		13,787		13,916		13,832
with unrecognized losses for more than 12 months		—		—		500		499
with unrecognized gains		2,374		2,374		1,250		1,251
Total U.S. Treasury and agency notes	Level 2	16,171		16,161		15,666		15,582
Corporate notes
with unrecognized losses for less than 12 months		15,598		15,587		17,236		17,112
with unrecognized losses for more than 12 months		—		—		251		250
with unrecognized gains		249		249		499		500
Total Corporate notes	Level 2	15,847		15,836		17,986		17,862
		$	32,577	$	32,556	$	33,652	$	33,444

Schedule of Maturities, at Par, of Marketable Securities by Year

The following tables summarize the maturities, at par, of marketable securities by year ($ in thousands):

December 31, 2023	2024		Total
Certificates of deposit	$	560	$	560
U.S. Treasury and agency notes	$	16,212	$	16,212
Corporate notes	15,880		15,880
	$	32,652	$	32,652

December 31, 2022	2023		2024		Total
U.S. Treasury and agency notes	15,225		500		15,725
Corporate notes	17,470		500		17,970
	$	32,695	$	1,000	$	33,695