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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001387131-18-001457
Filing Date
2018-04-06
Accepted
2018-04-06 17:26:13
Documents
88
Period of Report
2017-12-31

Document Format Files

Seq Description Document Type Size
1 ANNUAL REPORT csi180866_10-k.htm 10-K 1047518
2 SUBSIDIARIES OF THE REGISTRANT csi180866_ex21.htm EX-21 4694
3 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM csi180866_ex23-1.htm EX-23.1 2192
4 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM csi180866_ex23-2.htm EX-23.2 3558
5 CERTIFICATION OF CHIEF EXECUTIVE OFFICER csi180866_ex31-1.htm EX-31.1 9407
6 CERTIFICATION OF CHIEF FINANCIAL OFFICER csi180866_ex31-2.htm EX-31.2 9415
7 CERTIFICATION PURSUANT TO SECTION 906 csi180866_ex32.htm EX-32 3790
  Complete submission text file 0001387131-18-001457.txt   9991091

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT jcs-20171231.xml EX-101.INS 3124307
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT jcs-20171231.xsd EX-101.SCH 51683
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT jcs-20171231_cal.xml EX-101.CAL 94481
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT jcs-20171231_def.xml EX-101.DEF 198360
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT jcs-20171231_lab.xml EX-101.LAB 503103
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT jcs-20171231_pre.xml EX-101.PRE 439724
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-K | Act: 34 | File No.: 001-31588 | Film No.: 18744040
SIC: 3661 Telephone & Telegraph Apparatus