Debt (Tables)

3 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Long Term Debt Instruments

The Company adopted ASU 2020-06 on October 1, 2021. See Note 1 for further discussion of this recently adopted accounting policy.

The following table presents the Company's debt instruments outstanding:

	December 31, 2021						December 31, 2020						September 30, 2021
(in thousands)	Gross Amount		Debt Issuance Costs		Carrying Amount		Gross Amount		Debt Discount and Issuance Costs		Carrying Amount		Gross Amount		Debt Discount and Issuance Costs		Carrying Amount
2024 Convertible Notes	$	143,750	$	(1,644)	$	142,106	$	143,750	$	(25,014)	$	118,736	$	143,750	$	(20,207)	$	123,543
2025 Convertible Notes	172,500		(2,762)		169,738		172,500		(37,517)		134,983		172,500		(31,857)		140,643
8.5% unsecured debt due 2024*	—		—		—		816		—		816		—		—		—
Total	$	316,250	$	(4,406)	$	311,844	$	317,066	$	(62,531)	$	254,535	$	316,250	$	(52,064)	$	264,186
Less current portion	—		—		—		213		—		213		—		—		—
Total long-term debt	$	316,250	$	(4,406)	$	311,844	$	316,853	$	(62,531)	$	254,322	$	316,250	$	(52,064)	$	264,186

* Amount translated from Guatemalan quetzals as of applicable period end. Debt was repaid before maturity the date in January 2021.

The following table presents the Company's contractual maturities related to the debt instruments as of December 31, 2021:

	Schedule of Contractual Maturities
(in thousands)	Total		Less Than 1 Year		1 - 3 Years		3 - 5 Years		More Than 5 Years
2024 Convertible Notes	$	143,750	$	—	$	143,750	$	—	$	—
2025 Convertible Notes	172,500		—		—		172,500		—
	$	316,250	$	—	$	143,750	$	172,500	$	—

The following table presents the Company's interest expense related to the Convertible Notes for the three months ended December 31, 2021 and 2020:

	Three Months Ended December 31,
(in thousands)	2021		2020
2024 Convertible Notes:
Contractual interest expense	$	1,033	$	1,033
Amortization of deferred financing costs	167		112
Amortization of debt discount	—		1,430
Total interest expense	$	1,200	$	2,575
2025 Convertible Notes:
Contractual interest expense	$	1,024	$	1,024
Amortization of deferred financing costs	207		140
Amortization of debt discount	—		1,679
Total interest expense	$	1,231	$	2,843