Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000897101-20-000896
Filing Date
2020-11-12
Accepted
2020-11-12 16:06:48
Documents
71
Period of Report
2020-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q csi201669_10q.htm 10-Q 799355
2 CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES csi201669_ex31-1.htm EX-31.1 7640
3 CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 OF THE SARBANES csi201669_ex31-2.htm EX-31.2 8068
4 CERTIFICATIONS PURSUANT SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 csi201669_ex32.htm EX-32 4468
  Complete submission text file 0000897101-20-000896.txt   8526631

Data Files

Seq Description Document Type Size
5 XBRL INSTANCE FILE jcs-20200903.xml EX-101.INS 2820900
6 XBRL SCHEMA FILE jcs-20200903.xsd EX-101.SCH 40501
7 XBRL CALCULATION FILE jcs-20200903_cal.xml EX-101.CAL 74748
8 XBRL DEFINITION FILE jcs-20200903_def.xml EX-101.DEF 151040
9 XBRL LABEL FILE jcs-20200903_lab.xml EX-101.LAB 412099
10 XBRL PRESENTATION FILE jcs-20200903_pre.xml EX-101.PRE 340248
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)

EIN.: 410957999 | State of Incorp.: MN | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-31588 | Film No.: 201306641
SIC: 3661 Telephone & Telegraph Apparatus