June 30,

December 31,

(in thousands)

2024

2023

Intangible assets, gross

$

96,605

$

95,765

Less capitalized patent costs not yet subject to amortization

(3,102

)

(2,838

)

Intangible assets subject to amortization, gross

93,503

92,927

Accumulated amortization

(20,190

)

(17,975

)

Intangible assets subject to amortization, net

73,313

74,952

Total intangible assets, net

$

76,415

$

77,790