Notes Payable, Preferred Stock and Stock Purchase Warrants (Tables)

9 Months Ended

Sep. 30, 2023

Notes Payable, Preferred Stock and Stock Purchase Warrants

Schedule of carrying amounts outstanding under the Company's notes payable

The following carrying amounts were outstanding under the Company’s notes payable as of September 30, 2023 and December 31, 2022 (in thousands):

	September 30, 2023
	Principal ($)	Debt (Discount) Premium ($)⁽¹⁾	Issuance Costs ($)	Carrying Amount ($)
2025 Notes	20,399	(3,732)	(62)	16,605
Loan and Security Agreement	25,000	(880)	(240)	23,880
	December 31, 2022
	Principal ($)	Debt (Discount) Premium ($)⁽¹⁾	Issuance Costs ($)	Carrying Amount ($)
2023 Notes	15,700	(121)	-	15,579
2025 Notes	51,199	(15,029)	(252)	35,918
PHC Notes	35,000	(13,698)	(837)	20,465

Schedule of interest expense related to the notes payable

	Nine Months Ended September 30, 2023
	Interest Rate	Interest ($)	Debt Discount and Fees ($)⁽¹⁾	Issuance Costs ($)	Total Interest Expense ($)
2023 Notes	5.25%	69	120	-	189
2025 Notes	5.25%	1,881	4,808	81	6,770
PHC Notes	8.00%	700	1,442	88	2,230
Loan and Security Agreement	9.90%	158	38	3	199
Total		2,808	6,408	172	9,388
	Nine Months Ended September 30, 2022
	Interest Rate	Interest ($)	Debt Discount and Fees ($)⁽¹⁾	Issuance Costs ($)	Total Interest Expense ($)
2023 Notes	5.25%	618	1,022	-	1,640
2025 Notes	5.25%	2,002	4,035	68	6,104
PHC Notes	8.00%	2,319	3,519	215	6,053
PPP Loan	1.00%	6	-	-	6
Total		4,945	8,576	283	13,803

Schedule of future maturities

2023 (remaining three months)	$	—
2024		—
2025		20,399
2026		7,397
Thereafter		19,341
Total	$	47,137