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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000022701-21-000005
Filing Date
2021-08-16
Accepted
2021-08-16 09:43:22
Documents
79
Period of Report
2021-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q jcs-20210630x10q.htm   iXBRL 10-Q 4678024
2 EX-31.1 jcs-20210630xex31_1.htm EX-31.1 15074
3 EX-31.2 jcs-20210630xex31_2.htm EX-31.2 13305
4 EX-32 jcs-20210630xex32.htm EX-32 15009
5 EX-99.1 jcs-20210630xex99_1.htm EX-99.1 202282
6 GRAPHIC jcs-20210630xex99_1g001.jpg GRAPHIC 4472
  Complete submission text file 0000022701-21-000005.txt   18104750

Data Files

Seq Description Document Type Size
7 EX-101.SCH jcs-20210630.xsd EX-101.SCH 45110
8 EX-101.CAL jcs-20210630_cal.xml EX-101.CAL 79152
9 EX-101.DEF jcs-20210630_def.xml EX-101.DEF 206659
10 EX-101.LAB jcs-20210630_lab.xml EX-101.LAB 466949
11 EX-101.PRE jcs-20210630_pre.xml EX-101.PRE 409131
12 EXTRACTED XBRL INSTANCE DOCUMENT jcs-20210630x10q_htm.xml XML 5065158
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.: 211175005
SIC: 3661 Telephone & Telegraph Apparatus