Debt, Net (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2021

Dec. 31, 2020

Debt Disclosure [Abstract]

Components of debt

The following table summarizes the components of debt (dollars in thousands):

	March 31, 2021		December 31, 2020
Debt, net, current:
Sprott Credit Agreement(1)	$	7,753	$	5,274
Note payable	99		—
Less, debt issuance costs	(411)		(154)
Total	$	7,441	$	5,120
Debt, net, non-current:
Subordinated Notes	$	86,917	$	84,797
Sprott Credit Agreement, net of original issue discount ($13.6 million, net)	61,901		61,894
Note payable	307		—
Less, debt issuance costs	(3,281)		(4,026)
Total	$	145,844	$	142,665

(1)Amount includes: (i) $2.2 million of Additional Interest, as defined in the Sprott Credit Agreement, and (ii) $5.6 million scheduled principal payments under the Sprott Credit Agreement, all due in the next twelve months.

The following table summarizes the components of debt (in thousands):

	December 31, 2020		December 31, 2019
Debt, net, current:
Sprott Credit Agreement(1)	$	5,274	$	—
2.0 Lien Notes	—		208,411
1.5 Lien Notes	—		137,050
First Lien Agreement	—		125,468
1.25 Lien Notes	—		77,212
Promissory Note	—		6,773
Less, debt issuance costs	(154)		(949)
Total	$	5,120	$	553,965
Debt, net, non-current:
Subordinated Notes	$	84,797	$	—
Sprott Credit Agreement	61,894		—
Less, debt issuance costs	(4,026)		—
Total	$	142,665	$	—

(1)Amount represents $1.6 million of Additional Interest (as defined in the Sprott Credit Agreement) plus 5.0% of the Company's outstanding debt balance as of December 31, 2020 under the Sprott Credit Agreement.

Schedule of maturities of long-term debt

The following table summarizes the Company's contractual payments of long-term debt, including current maturities, for the five years subsequent to March 31, 2021 (dollars in thousands):

2021	$	7,698
2022	20,821
2023	24,516
2024	24,508
2025	93,020
Total	170,563
Less, original issue discount, net of amortization ($3.4 million)	(13,586)
Less, debt issuance costs, net of amortization ($0.4 million)	(3,692)
Total debt, net, current and non-current	$	153,285

The following table summarizes the Company's contractual payments of long-term debt, including current maturities, for the five years subsequent to December 31, 2020 (in thousands):

2021	$	5,274
2022	16,698
2023	23,948
2024	23,948
2025	96,771
Total	166,639
Less, original issue discount	(14,674)
Less, debt issuance costs	(4,180)
Total debt, net, current and non-current	$	147,785

Components of recorded interest expense

The following table summarizes the components of recorded Interest expense, net of capitalized interest (dollars in thousands):

	Three Months Ended March 31,
	2021		2020
Sprott Credit Agreement	$	2,640	$	—
Subordinated Notes	2,120		—
Amortization of debt issuance costs	335		672
Other interest expense	8		—
2.0 Lien Notes	—		7,816
1.5 Lien Notes	—		5,139
1.25 Lien Notes	—		3,352
First Lien Agreement	—		2,867
Promissory Note	—		85
Capitalized interest	(654)		(44)
Total	$	4,449	$	19,887

The following table summarizes the components of recorded interest expense (in thousands):

	Year Ended December 31,
	2020		2019
2.0 Lien Notes	$	12,902	$	28,537
1.5 Lien Notes	8,635		18,763
1.25 Lien Notes	6,218		5,241
First Lien Agreement	4,575		10,022
Sprott Credit Agreement	6,009		—
Subordinated Notes	4,797		—
Amortization of debt issuance costs	1,972		2,048
Promissory Note	141		786
Other interest expense	40		—
Capitalized interest	(1,831)		(551)
Total	$	43,458	$	64,846