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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001171843-21-008091
Filing Date
2021-11-19
Accepted
2021-11-19 08:00:43
Documents
95
Period of Report
2021-08-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K ntic20210831_10k.htm   iXBRL 10-K 1744560
2 EXHIBIT 21.1 ex_308068.htm EX-21.1 19224
3 EXHIBIT 23.1 ex_308069.htm EX-23.1 2420
4 EXHIBIT 31.1 ex_308070.htm EX-31.1 9243
5 EXHIBIT 31.2 ex_308071.htm EX-31.2 9032
6 EXHIBIT 32.1 ex_308072.htm EX-32.1 5059
7 EXHIBIT 32.2 ex_308073.htm EX-32.2 4995
  Complete submission text file 0001171843-21-008091.txt   8170574

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA ntic-20210831.xsd EX-101.SCH 76403
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE ntic-20210831_cal.xml EX-101.CAL 71905
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE ntic-20210831_def.xml EX-101.DEF 493334
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE ntic-20210831_lab.xml EX-101.LAB 444708
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ntic-20210831_pre.xml EX-101.PRE 537927
13 EXTRACTED XBRL INSTANCE DOCUMENT ntic20210831_10k_htm.xml XML 1195584
Mailing Address 4201 WOODLAND ROAD PO BOX 69 CIRCLE PINES MN 55014
Business Address 4201 WOODLAND ROAD PO BOX 69 CIRCLE PINES MN 55014 (763) 225-6601
NORTHERN TECHNOLOGIES INTERNATIONAL CORP (Filer) CIK: 0000875582 (see all company filings)

IRS No.: 410857886 | State of Incorp.: DE | Fiscal Year End: 0831
Type: 10-K | Act: 34 | File No.: 001-11038 | Film No.: 211426405
SIC: 3470 Coating, Engraving & Allied Services