Notes Payable (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Notes Payable

The Company has entered into notes payable agreements with third parties, which consist of the following as of March 31, 2024 and December 31, 2023:

	March 31, 2024
(in thousands)	Contractual Maturity Date	Contractual Interest Rates	Unpaid Principal Balance		Fair Value Measurement Adjustments		Original Issue Discount and Proceeds Allocated to Warrants		Net Carrying Value
Secured SPA Notes	Various	10%-15%	$	83,387	$	(33,603)	$	(7,896)	$	41,888
Unsecured SPA Notes*	Various dates in 2029	10%-15%	13,219		(1,626)		(2,543)		9,050
Unsecured Convertible Notes	Various dates in 2024	4.27%	9,080		414		—		9,494
Notes payable – China other	Due on Demand	—%	4,897		—		—		4,897
Auto loans	October 2026	7%	72		—		—		72
			$	110,655	$	(34,815)	$	(10,439)	65,401
Less: Related party notes payable									$	(1,632)
Less: Notes payable, current portion									(63,769)
Total: Notes payable, less current portion									$	—

	December 31, 2023
(in thousands)	Contractual Maturity Date	Contractual Interest Rates	Unpaid Principal Balance		Fair Value Measurement Adjustments		Original Issue Discount and Proceeds Allocated to Warrants		Net Carrying Value
Secured SPA Notes	Various	10%-15%	$	100,052	$	(15,501)	$	(10,319)	$	74,232
Unsecured SPA Notes*	Various dates in 2029	10%-15%	13,885		1,208		(2,613)		12,480
Notes payable – China other	Due on Demand	—%	4,898						4,898
Auto loans	October 2026	7%	82						82
			$	118,917	$	(14,293)	$	(12,932)	91,692
Less: Related party notes payable									$	(542)
Less: Notes payable, current portion									$	(91,150)
Total: Notes payable, less current portion									$	—

* includes amounts attributed to the Unsecured Streeterville SPA

Schedule of Principal Maturities

The future scheduled principal maturities of notes payable as of March 31, 2024 are as follows:

(in thousands)
Due on demand	$	4,897
2024	7,580
2025	34,128
2026	72
2027	—
2028	—
2029	60,858
Thereafter	1,620
	$	109,155