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Filing Detail
Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0001171843-21-002411
Filing Date
2021-04-09
Accepted
2021-04-09 17:00:11
Documents
3
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K/A f10ka_040921.htm 10-K/A 67062
2 EXHIBIT 31.3 exh_313.htm EX-31.3 11593
3 EXHIBIT 31.4 exh_314.htm EX-31.4 11762
  Complete submission text file 0001171843-21-002411.txt   91373
Mailing Address 125 NAGOG PARK ACTON MA 01720
Business Address 125 NAGOG PARK ACTON MA 01720 978-206-8220
PSYCHEMEDICS CORP (Filer) CIK: 0000806517 (see all company filings)

IRS No.: 581701987 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K/A | Act: 34 | File No.: 001-13738 | Film No.: 21818414
SIC: 8071 Services-Medical Laboratories