Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Summary of Principal Outstanding and Unamortized Discount

The following table presents the details of the principal outstanding and unamortized discount (in thousands):

	December 31,
	2021			2020
SWK Loan	$	14,300		$	14,300
PPP Loan		—			2,980
EIDL Loan		150			150
Discount and debt issuance costs on SWK Loan		(847	)		(1,244	)
Total		13,603			16,186
Current term loans, net of discount		—			—
Non current term loans, net of discount	$	13,603		$	16,186

Summary of Future Minimum Principal Payments

The future minimum principal payments as of December 31, 2021, are as follows (in thousands):

	Principal		Interest (1)
2022	$	—	$	1,494
2023		2,100		1,440
2024		2,800		1,170
2025		9,401		1,858
2026 and thereafter		149		89
Total future payments	$	14,450	$	6,051

(1) Estimated using LIBOR rates as at December 31, 2021