June 30, 2024

(In thousands)

Amortized
‎Cost

Gross
‎Unrealized
‎Gains

Gross Unrealized Losses

Fair
‎Value

Short-term:

Municipal bonds

$

8,252

$

—

$

(27)

$

8,225

Corporate debt securities

51,513

2

(486)

51,029

Government, federal agency, and other sovereign obligations

23,648

—

(393)

23,255

Total short-term marketable securities

$

83,413

$

2

$

(906)

$

82,509

Long-term:

Municipal bonds

$

5,708

$

—

$

(92)

$

5,616

Corporate debt securities

1,748

—

(29)

1,719

Asset-backed securities

12,885

—

(209)

12,676

Government, federal agency, and other sovereign obligations

7,871

—

(87)

7,784

Total long-term marketable securities

$

28,212

$

—

$

(417)

$

27,795

December 31, 2023

(In thousands)

Amortized
‎Cost

Gross
‎Unrealized
‎Gains

Gross
‎Unrealized
‎Losses

Fair
‎Value

Short-term:

Municipal bonds

$

11,210

$

—

$

(224)

$

10,986

Corporate debt securities

38,416

—

(853)

37,563

Government, federal agency, and other sovereign obligations

2,004

—

(56)

1,948

Total short-term marketable securities

$

51,630

$

—

$

(1,133)

$

50,497

Long-term:

Municipal bonds

$

7,180

$

—

$

(109)

$

7,071

Corporate debt securities

21,707

—

(432)

21,275

Asset-backed securities

17,499

—

(338)

17,161

Government, federal agency, and other sovereign obligations

30,363

—

(442)

29,921

Total long-term marketable securities

$

76,749

$

—

$

(1,321)

$

75,428