EDGAR Filing Documents for 0001437749-20-004261

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

SEC Accession No. 0001437749-20-004261

Filing Date

2020-03-03

Accepted

2020-03-03 17:13:25

Documents

Period of Report

2019-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 10-K	next20191231_10k.htm	10-K	1232690
2	EXHIBIT 4.1	ex_174493.htm	EX-4.1	1404
3	EXHIBIT 4.6	ex_173613.htm	EX-4.6	16372
4	EXHIBIT 10.22	ex_171622.htm	EX-10.22	229156
5	EXHIBIT 10.23	ex_171623.htm	EX-10.23	78436
6	EXHIBIT 10.24	ex_171624.htm	EX-10.24	143088
7	EXHIBIT 10.25	ex_171625.htm	EX-10.25	14933
8	EXHIBIT 10.26	ex_171626.htm	EX-10.26	13215
9	EXHIBIT 21.1	ex_167915.htm	EX-21.1	4609
10	EXHIBIT 23.1	ex_167916.htm	EX-23.1	2376
11	EXHIBIT 31.1	ex_167918.htm	EX-31.1	15016
12	EXHIBIT 31.2	ex_167919.htm	EX-31.2	15114
13	EXHIBIT 32.1	ex_167920.htm	EX-32.1	7579
14	EXHIBIT 32.2	ex_167921.htm	EX-32.2	7603
21		capturecertificateoriginal.jpg	GRAPHIC	480515
22		capturenoteoriginal.jpg	GRAPHIC	126815
23		next20191231_10kimg001.jpg	GRAPHIC	29096
	Complete submission text file	0001437749-20-004261.txt		6983016

Data Files

Seq	Description	Document	Type	Size
15	XBRL INSTANCE DOCUMENT	next-20191231.xml	EX-101.INS	1057511
16	XBRL TAXONOMY EXTENSION SCHEMA	next-20191231.xsd	EX-101.SCH	71179
17	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	next-20191231_cal.xml	EX-101.CAL	49225
18	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	next-20191231_def.xml	EX-101.DEF	401586
19	XBRL TAXONOMY EXTENSION LABEL LINKBASE	next-20191231_lab.xml	EX-101.LAB	343262
20	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	next-20191231_pre.xml	EX-101.PRE	433744

Mailing Address 1000 LOUISIANA STREET SUITE 3900 HOUSTON TX 77002

Business Address 1000 LOUISIANA STREET SUITE 3900 HOUSTON TX 77002 7135741880