EDGAR Filing Documents for 0001628280-24-010236

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:

SEC Accession No. 0001628280-24-010236

Filing Date

2024-03-11

Accepted

2024-03-11 16:21:08

Documents

108

Period of Report

2023-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	10-K	next-20231231.htm iXBRL	10-K	1272968
2	EX-10.18	ex-1018.htm	EX-10.18	14710
3	EX-10.45	ex-1045.htm	EX-10.45	2160008
4	EX-10.47	ex-1047.htm	EX-10.47	1967230
5	EX-10.50	ex-1050.htm	EX-10.50	704655
6	EX-10.56	ex-1056.htm	EX-10.56	1054596
7	EX-10.57	ex-1057.htm	EX-10.57	1238196
8	EX-10.58	ex-1058.htm	EX-10.58	572316
9	EX-21.1	ex-211.htm	EX-21.1	6203
10	EX-23.1	ex-231.htm	EX-23.1	3518
11	EX-31.1	ex-311.htm	EX-31.1	9907
12	EX-31.2	ex-312.htm	EX-31.2	9860
13	EX-32.1	ex-321.htm	EX-32.1	4727
14	EX-32.2	ex-322.htm	EX-32.2	4654
15	EX-97.1	ex-971.htm	EX-97.1	41242
21	1	image_110.jpg	GRAPHIC	101
22	2	image_113.jpg	GRAPHIC	170
23	3	image_134.jpg	GRAPHIC	278
24	4	image_147.jpg	GRAPHIC	278
25	5	image_26.jpg	GRAPHIC	278
26	6	image_32.jpg	GRAPHIC	102
27	7	image_6.jpg	GRAPHIC	278
28	11	image_8.jpg	GRAPHIC	170
29	LOGO	next-20231231_g1.jpg	GRAPHIC	233408
30	ORG	next-20231231_g2.jpg	GRAPHIC	77298
	Complete submission text file	0001628280-24-010236.txt		16087935

Data Files

Seq	Description	Document	Type	Size
16	XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT	next-20231231.xsd	EX-101.SCH	49045
17	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT	next-20231231_cal.xml	EX-101.CAL	79883
18	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT	next-20231231_def.xml	EX-101.DEF	186391
19	XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT	next-20231231_lab.xml	EX-101.LAB	607753
20	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT	next-20231231_pre.xml	EX-101.PRE	432659
110	EXTRACTED XBRL INSTANCE DOCUMENT	next-20231231_htm.xml	XML	723835

Mailing Address 1000 LOUISIANA STREET SUITE 3900 HOUSTON TX 77002

Business Address 1000 LOUISIANA STREET SUITE 3900 HOUSTON TX 77002 7135741880