Borrowings (Tables)

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Summary of Carrying Amount of Borrowings

Carrying amount of the Company's borrowings consist of the following (in thousands):

	March 31, 2023		December 31, 2022
Senior convertible notes	$	225,761	$	225,397
MidCap credit facility		39,371		39,264
Mann Group convertible note		8,829		8,829
Total debt – net carrying amount	$	273,961	$	273,490

Schedule of Line of Credit Facility Debt and Key Terms

The following table provides a summary of the Company’s principal balance of debt and key terms:

	Amount Due		Terms
	March 31, 2023	December 31, 2022	Annual Interest    Rate			Maturity Date			Conversion Price
Senior convertible notes	$230.0 million	$230.0 million	2.50%			March 2026			$5.21  per share
MidCap credit facility(1)	$40.0 million	$40.0 million	one-month SOFR (1% floor) plus 6.25%; cap of 8.25%	(1	)	August 2025	(1	)	N/A
Mann Group convertible note	$8.8 million	$8.8 million	2.50%			December 2025			$2.50 per share

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(1)In August 2022, the Company amended the MidCap credit facility and transitioned the benchmark interest rate from LIBOR to the Secured Overnight Financing Rate (“SOFR”). The interest rate prior to the amendment was one-month LIBOR (1% floor) plus 6.25% (capped at a total of 8.25%).

Schedule of Maturities of Company's Borrowings

The maturities of the Company’s borrowings as of March 31, 2023 are as follows (in thousands):

	Amounts
2023	$	11,667
2024		20,000
2025		17,163
2026		230,000
Total principal payments		278,830
Unamortized discount		(201	)
Debt issuance costs		(4,668	)
Total debt	$	273,961

Schedule of Amortization of Premium and Accretion of Debt Issuance Costs

Amortization of the premium and accretion of debt issuance costs related to all borrowings were as follows (in thousands):

	Three Months Ended March 31,
	2023		2022
Amortization of debt discount	$	106	$	106
Amortization of debt issuance cost		363		363