MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Summary of Available-for-Sale Securities

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

($ in thousands)		March 31, 2022				December 31, 2021
Marketable Securities:	Fair Value Hierarchy	Cost		Fair Value		Cost		Fair Value
Certificates of deposit
with unrealized losses for less than 12 months		$	—	$	—	$	401	$	400
with unrealized gains		649		649		—		—
Total Certificates of deposit	Level 1	649		649		401		400
U.S. Treasury and agency notes
with unrealized losses for less than 12 months		4,637		4,616		1,360		1,358
Total U.S. Treasury and agency notes	Level 2	4,637		4,616		1,360		1,358
Corporate notes
with unrealized losses for less than 12 months		12,081		12,033		9,231		9,225
with unrealized losses for more than 12 months		595		589		—		—
with unrealized gains		1,500		1,500		—		—
Total Corporate notes	Level 2	14,176		14,122		9,231		9,225
Municipal notes
with unrealized losses for less than 12 months		152		150		—		—
Total Municipal notes	Level 2	152		150		—		—
		$	19,614	$	19,537	$	10,992	$	10,983

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

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

	March 31, 2022
($ in thousands)	2022		2023		Total
Certificates of deposit	$	649	$	—	$	649
U.S. Treasury and agency notes	3,618		1,000		4,618
Corporate notes	7,527		6,575		14,102
	$	11,794	$	7,575	$	19,369

	December 31, 2021
($ in thousands)	2022		2023		Total
Certificates of deposit	$	400	$	—	$	400
U.S. Treasury and agency notes	855		500		1,355
Corporate notes	8,925		250		9,175
	$	10,180	$	750	$	10,930