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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000022701-21-000007
Filing Date
2021-11-15
Accepted
2021-11-15 12:52:25
Documents
77
Period of Report
2021-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q jcs-20210930x10q.htm   iXBRL 10-Q 4523109
2 EX-31.1 jcs-20210930xex31_1.htm EX-31.1 15078
3 EX-31.2 jcs-20210930xex31_2.htm EX-31.2 13309
4 EX-32 jcs-20210930xex32.htm EX-32 14962
5 EX-99.1 jcs-20210930xex99_1.htm EX-99.1 171751
6 GRAPHIC jcs-20210930xex99_1g001.jpg GRAPHIC 4472
  Complete submission text file 0000022701-21-000007.txt   9182169

Data Files

Seq Description Document Type Size
7 EX-101.SCH jcs-20210930.xsd EX-101.SCH 46121
8 EX-101.CAL jcs-20210930_cal.xml EX-101.CAL 96409
9 EX-101.DEF jcs-20210930_def.xml EX-101.DEF 193293
10 EX-101.LAB jcs-20210930_lab.xml EX-101.LAB 467608
11 EX-101.PRE jcs-20210930_pre.xml EX-101.PRE 399553
12 EXTRACTED XBRL INSTANCE DOCUMENT jcs-20210930x10q_htm.xml XML 513740
Mailing Address 10900 RED CIRCLE DRIVE MINNETONKA MN 55343
Business Address 10900 RED CIRCLE DRIVE MINNETONKA MN 55343 9529961674
COMMUNICATIONS SYSTEMS INC (Filer) CIK: 0000022701 (see all company filings)

IRS No.: 410957999 | State of Incorp.: MN | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-31588 | Film No.: 211408465
SIC: 3661 Telephone & Telegraph Apparatus