Debt (Tables)

3 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of long term debt instruments

The following tables present our debt instruments outstanding, contractual maturities and interest expense:

	December 31, 2019								December 31, 2018							September 30, 2019
	Gross Amount		Debt Discount and Issuance Costs			Carrying Amount			Gross Amount		Debt Discount and Issuance Costs			Carrying Amount		Gross Amount		Debt Discount and Issuance Costs			Carrying Amount
	(in thousands)
2019 Convertible Notes	$	—	$	—		$	—		$	195,000	$	(4,924	)	$	190,076	$	—	$	—		$	—
2019 Convertible Notes Embedded Derivative	—		—			—			21		—			21		—		—			—
2024 Convertible Notes	143,750		(31,010		)	112,740			143,750		(36,568		)	107,182		143,750		(32,439		)	111,311
2025 Convertible Notes	172,500		(44,598		)	127,902			172,500		(51,184		)	121,316		172,500		(46,290		)	126,210
8.5% unsecured debt due 2024*	1,042		—			1,042			1,237		—			1,237		1,092		—			1,092
CASHMAX secured borrowing facility*	404		(664		)	(260		)	1,160		(826		)	334		634		(653		)	(19		)
Total	$	317,696	$	(76,272	)	$	241,424		$	513,668	$	(93,502	)	$	420,166	$	317,976	$	(79,382	)	$	238,594
Less current portion	215		—			215			195,162		(4,924		)	190,238		214		—			214
Total long-term debt	$	317,481	$	(76,272	)	$	241,209		$	318,506	$	(88,578	)	$	229,928	$	317,762	$	(79,382	)	$	238,380

* Amount translated from Guatemalan quetzals and Canadian dollars as of applicable period end. Certain disclosures omitted due to materiality considerations.

Schedule of principal payments

	Schedule of Contractual Maturities
	Total		Less Than 1 Year		1 - 3 Years		3 - 5 Years		More Than 5 Years
	(in thousands)
2024 Convertible Notes*	143,750		—		—		143,750		—
2025 Convertible Notes*	172,500		—		—		172,500		—
8.5% unsecured debt due 2024	1,042		215		431		396		—
CASHMAX secured borrowing facility	404		—		404		—		—
	$	317,696	$	215	$	835	$	316,646	$	—

* Excludes the potential impact of embedded derivatives.

Schedule of interest expense

	Three Months Ended December 31,
	2019		2018
	(in thousands)
2019 Convertible Notes:
Contractual interest expense	$	—	$	1,076
Amortization of debt discount and deferred financing costs	—		2,643
Total interest expense	$	—	$	3,719
2024 Convertible Notes:
Contractual interest expense	$	1,033	$	1,033
Amortization of debt discount and deferred financing costs	1,429		1,325
Total interest expense	$	2,462	$	2,358
2025 Convertible Notes:
Contractual interest expense	$	1,024	$	1,024
Amortization of debt discount and deferred financing costs	1,691		1,573
Total interest expense	$	2,715	$	2,597