Psychemedics Corp reports

Location
125 Nagog Park, Acton, MA
State of incorporation
DE
Fiscal year end
December 31
Data updated at
11/12/2024, 04:13 PM
Form type Sec Links Description Filing date Reporting date
10-Q Report | Data FORM 10-Q Nov 12, 2024 Sep 30, 2024
8-K Report | Data FORM 8-K Nov 12, 2024 Nov 12, 2024
10-Q Report | Data FORM 10-Q Aug 13, 2024 Jun 30, 2024
8-K Report | Data FORM 8-K Aug 13, 2024 Aug 13, 2024
SC 13D/A Report Aug 13, 2024
8-K Report | Data FORM 8-K Aug 12, 2024 Aug 12, 2024
8-K Report | Data FORM 8-K Jun 12, 2024 Jun 6, 2024
8-K Report | Data FORM 8-K Jun 3, 2024 May 28, 2024
10-Q Report | Data FORM 10-Q May 14, 2024 Mar 31, 2024
8-K Report | Data FORM 8-K May 14, 2024 May 14, 2024
10-K Report | Data FORM 10-K Mar 28, 2024 Dec 31, 2023
8-K Report | Data FORM 8-K Mar 28, 2024 Mar 28, 2024
SC 13G/A Report Feb 13, 2024
SC 13G/A Report SC 13G/A Feb 2, 2024
8-K Report | Data FORM 8-K Jan 26, 2024 Jan 22, 2024
SC 13G Report SC 13G Dec 14, 2023
8-K Report | Data FORM 8-K Nov 27, 2023 Nov 27, 2023
10-Q Report | Data FORM 10-Q Nov 13, 2023 Sep 30, 2023
8-K Report | Data FORM 8-K Nov 9, 2023 Nov 9, 2023
8-K Report | Data FORM 8-K Nov 8, 2023 Nov 2, 2023
8-K Report | Data FORM 8-K Sep 22, 2023 Sep 20, 2023
8-K Report | Data FORM 8-K Aug 31, 2023 Aug 28, 2023
8-K Report | Data FORM 8-K Aug 21, 2023 Aug 17, 2023
10-Q Report | Data FORM 10-Q Aug 14, 2023 Jun 30, 2023
8-K Report | Data FORM 8-K Aug 11, 2023 Aug 11, 2023
8-K Report | Data FORM 8-K Jul 21, 2023 Jul 17, 2023
8-K Report | Data FORM 8-K Jul 14, 2023 Jul 12, 2023
10-Q Report | Data FORM 10-Q May 11, 2023 Mar 31, 2023
8-K Report | Data FORM 8-K May 9, 2023 May 9, 2023
10-K/A Report | Data FORM 10-K/A Mar 30, 2023 Dec 31, 2022
10-K Report | Data FORM 10-K Mar 27, 2023 Dec 31, 2022
8-K Report | Data FORM 8-K Mar 21, 2023 Mar 21, 2023
8-K Report | Data FORM 8-K Feb 16, 2023 Feb 13, 2023
SC 13G/A Report FORM SC 13G/A Feb 14, 2023
SC 13G/A Report Feb 13, 2023
8-K Report | Data FORM 8-K Dec 30, 2022 Dec 30, 2022
10-Q Report | Data FORM 10-Q Nov 10, 2022 Sep 30, 2022
8-K Report | Data FORM 8-K Nov 9, 2022 Nov 9, 2022
8-K Report | Data FORM 8-K Aug 17, 2022 Aug 12, 2022
10-Q Report | Data FORM 10-Q Aug 10, 2022 Jun 30, 2022
8-K Report | Data FORM 8-K Aug 9, 2022 Aug 9, 2022
8-K Report | Data FORM 8-K Jul 25, 2022 Jul 19, 2022
SC 13D/A Report Jun 10, 2022
8-K Report | Data FORM 8-K Jun 9, 2022 Jun 9, 2022
10-Q Report | Data FORM 10-Q May 11, 2022 Mar 31, 2022
8-K Report | Data FORM 8-K May 10, 2022 May 10, 2022
SC 13D/A Report AMENDMENT NO. 5 TO THE SCHEDULE 13D May 10, 2022
SC 13D/A Report AMENDMENT NO. 4 TO THE SCHEDULE 13D Apr 21, 2022
10-K Report | Data FORM 10-K Mar 30, 2022 Dec 31, 2021
8-K Report | Data FORM 8-K Mar 29, 2022 Mar 29, 2022
8-K Report | Data FORM 8-K Mar 22, 2022 Mar 18, 2022
8-K Report | Data FORM 8-K Mar 10, 2022 Mar 10, 2022
SC 13G/A Report SC 13G/A Feb 14, 2022
SC 13G/A Report Feb 14, 2022
SC 13G/A Report Feb 11, 2022
8-K Report | Data FORM 8-K Feb 3, 2022 Feb 2, 2022
SC 13D/A Report AMENDMENT NO. 3 TO THE SCHEDULE 13D Jan 26, 2022
8-K Report | Data FORM 8-K Dec 10, 2021 Dec 6, 2021
10-Q Report | Data FORM 10-Q Nov 15, 2021 Sep 30, 2021
8-K Report | Data FORM 8-K Nov 12, 2021 Nov 12, 2021
8-K Report | Data FORM 8-K Sep 23, 2021 Sep 23, 2021
SC 13D/A Report AMENDMENT NO. 2 TO THE SCHEDULE 13D Sep 23, 2021
SC 13D/A Report AMENDMENT NO. 1 TO THE SCHEDULE 13D Aug 19, 2021
10-Q Report | Data FORM 10-Q Aug 12, 2021 Jun 30, 2021
8-K Report FORM 8-K Aug 10, 2021 Aug 10, 2021
8-K Report FORM 8-K Jul 20, 2021 Jul 15, 2021
8-K Report FORM 8-K May 17, 2021 May 13, 2021
10-Q Report | Data FORM 10-Q May 13, 2021 Mar 31, 2021
8-K Report FORM 8-K May 10, 2021 May 10, 2021
10-K/A Report FORM 10-K/A Apr 9, 2021 Dec 31, 2020
10-K Report | Data FORM 10-K Mar 26, 2021 Dec 31, 2020
8-K Report FORM 8-K Mar 23, 2021 Mar 19, 2021
8-K Report FORM 8-K Mar 17, 2021 Mar 16, 2021
SC 13G/A Report AMENDED 13G FOR PSYCHEMEDICS CORPORATION Feb 16, 2021
SC 13G/A Report Feb 12, 2021
SC 13G/A Report Feb 11, 2021
SC 13G Report FORM SC 13G Feb 2, 2021
8-K Report FORM 8-K Jan 27, 2021 Jan 21, 2021
SC 13D Report Dec 30, 2020
8-K Report FORM 8-K Nov 16, 2020 Nov 16, 2020
10-Q Report | Data FORM 10-Q Nov 10, 2020 Sep 30, 2020
8-K Report FORM 8-K Nov 9, 2020 Nov 9, 2020
8-K Report FORM 8-K Nov 9, 2020 Nov 4, 2020
8-K Report FORM 8-K Sep 10, 2020 Sep 3, 2020
10-Q Report | Data FORM 10-Q Aug 13, 2020 Jun 30, 2020
8-K Report FORM 8-K Aug 12, 2020 Aug 12, 2020
8-K Report FORM 8-K May 20, 2020 May 14, 2020
10-Q Report | Data FORM 10-Q May 15, 2020 Mar 31, 2020
8-K Report FORM 8-K May 13, 2020 May 13, 2020
8-K Report FORM 8-K May 7, 2020 May 1, 2020
SC 13G/A Report TIETON CAPITAL MANAGEMENT 13G/A Mar 3, 2020
10-K/A Report FORM 10-K/A Feb 27, 2020 Dec 31, 2019
10-K Report | Data FORM 10-K Feb 25, 2020 Dec 31, 2019
SC 13G/A Report Feb 14, 2020
SC 13G/A Report AMENDED 13G FOR PSYCHEMEDICS CORPORATION Feb 14, 2020
SC 13G/A Report Feb 13, 2020
8-K Report FORM 8-K Feb 11, 2020 Feb 11, 2020
8-K Report FORM 8-K Feb 4, 2020 Jan 30, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 3, 2020
SC 13G Report TIETON CAPITAL MANAGEMENT 13G/A Jan 27, 2020
8-K Report FORM 8-K Dec 5, 2019 Dec 3, 2019
10-Q Report | Data FORM 10-Q Oct 24, 2019 Sep 30, 2019
8-K Report FORM 8-K Oct 22, 2019 Oct 22, 2019
8-K Report FORM 8-K Sep 19, 2019 Sep 19, 2019
10-Q Report | Data FORM 10-Q Jul 24, 2019 Jun 30, 2019
8-K Report FORM 8-K Jul 23, 2019 Jul 23, 2019
8-K Report FORM 8-K May 9, 2019 May 3, 2019
10-Q Report | Data FORM 10-Q Apr 25, 2019 Mar 31, 2019
8-K Report FORM 8-K Apr 23, 2019 Apr 23, 2019
10-K Report | Data FORM 10-K Mar 4, 2019 Dec 31, 2018
8-K Report FORM 8-K Mar 4, 2019 Mar 4, 2019
SC 13G Report Feb 14, 2019
SC 13G/A Report Feb 13, 2019
8-K Report FORM 8-K Jan 28, 2019 Jan 24, 2019
SC 13G Report SCHEDULE 13G HOLDINGS REPORT Jan 25, 2019
10-Q Report | Data FORM 10-Q Oct 25, 2018 Sep 30, 2018
8-K Report FORM 8-K Oct 23, 2018 Oct 23, 2018
10-Q Report | Data FORM 10-Q Jul 27, 2018 Jun 30, 2018
8-K Report FORM 8-K Jul 25, 2018 Jul 24, 2018
8-K Report FORM 8-K May 7, 2018 May 3, 2018
10-Q Report | Data FORM 10-Q Apr 26, 2018 Mar 31, 2018
8-K Report FORM 8-K Apr 24, 2018 Apr 24, 2018
10-K Report | Data FORM 10-K Mar 16, 2018 Dec 31, 2017
8-K Report FORM 8-K Mar 7, 2018 Mar 7, 2018
8-K Report FORM 8-K Feb 22, 2018 Feb 20, 2018
SC 13G/A Report Feb 14, 2018
8-K Report FORM 8-K Jan 26, 2018 Jan 24, 2018
8-K Report 8-K Nov 13, 2017 Nov 7, 2017
10-Q Report | Data FORM 10-Q Oct 26, 2017 Sep 30, 2017
8-K Report FORM 8-K Oct 24, 2017 Oct 24, 2017
10-Q Report | Data FORM 10-Q Aug 4, 2017 Jun 30, 2017
8-K Report | Data FORM 8-K Aug 3, 2017 Aug 2, 2017
8-K Report FORM 8-K Jul 13, 2017 Jun 13, 2017
SC 13G/A Report TIETON CAPITAL MANAGEMENT 13G/A Jun 1, 2017
8-K Report FORM 8-K May 5, 2017 May 4, 2017
10-Q Report | Data 10-Q May 2, 2017 Mar 31, 2017
8-K Report FORM 8-K Apr 25, 2017 Apr 25, 2017
10-K Report | Data FORM 10-K Mar 7, 2017 Dec 31, 2016
SC 13G/A Report 13G/A Feb 14, 2017
8-K Report FORM 8-K Feb 6, 2017 Feb 6, 2017
8-K Report FORM 8-K Feb 1, 2017 Jan 26, 2017
SC 13G/A Report TIETON CAPITAL MANAGEMENT 13G/A Jan 24, 2017
10-Q Report | Data 10-Q Oct 27, 2016 Sep 30, 2016
8-K Report FORM 8-K Oct 27, 2016 Oct 26, 2016
10-Q Report | Data 10-Q Jul 28, 2016 Jun 30, 2016
8-K Report FORM 8-K Jul 26, 2016 Jul 26, 2016
8-K Report FORM 8-K May 19, 2016 May 12, 2016
10-Q Report | Data 10-Q Apr 28, 2016 Mar 31, 2016
8-K Report | Data FORM 8-K Apr 27, 2016 Apr 26, 2016
8-K Report FORM 8-K Mar 24, 2016 Mar 21, 2016
10-K Report | Data FORM 10-K Feb 26, 2016 Dec 31, 2015
SC 13G/A Report AMENDED 13G FOR 12/31/15 PMD Feb 12, 2016
SC 13G/A Report PSYCHEMEDICS CORPORATION Feb 11, 2016
8-K Report FORM 8-K Feb 10, 2016 Feb 10, 2016
8-K Report FORM 8-K Jan 27, 2016 Jan 21, 2016
SC 13G/A Report TIETON CAPITAL MANAGEMENT 13G/A Jan 12, 2016
10-Q Report | Data FORM 10-Q Oct 29, 2015 Sep 30, 2015
8-K Report FORM 8-K Oct 28, 2015 Oct 28, 2015
8-K Report 8-K Oct 15, 2015 Oct 13, 2015
8-K/A Report AMENDMENT NO. 1 Sep 21, 2015 Sep 15, 2015
8-K Report FORM 8-K Sep 17, 2015 Sep 15, 2015
8-K Report FORM 8-K Jul 31, 2015 Jul 28, 2015
10-Q Report | Data 10-Q Jul 31, 2015 Jun 30, 2015
8-K Report FORM 8-K Jul 28, 2015 Jul 28, 2015
8-K Report FORM 8-K May 5, 2015 Apr 29, 2015
10-Q Report | Data FORM 10-Q May 1, 2015 Mar 31, 2015
8-K Report FORM 8-K Apr 27, 2015 Apr 27, 2015
8-K Report CURRENT REPORT Feb 27, 2015 Feb 24, 2015
10-K Report | Data FORM 10-K Feb 27, 2015 Dec 31, 2014
SC 13G/A Report AMENDED 13G FOR PSYCHEMEDICS CORP Feb 13, 2015
SC 13G/A Report Feb 12, 2015
8-K Report FORM 8-K Feb 10, 2015 Feb 10, 2015
SC 13G/A Report SCHEDULE 13G HOLDINGS REPORT AMENDMENT Feb 6, 2015
SC 13G Report TIETON CAPITAL MANAGEMENT 13G Feb 5, 2015
8-K Report CURRENT REPORT Jan 26, 2015 Jan 22, 2015
10-Q Report | Data 10-Q Oct 31, 2014 Sep 30, 2014
8-K Report FORM 8-K Oct 30, 2014 Oct 30, 2014
8-K Report CURRENT REPORT Aug 11, 2014 Aug 8, 2014
10-Q Report | Data FORM 10-Q Jul 30, 2014 Jun 30, 2014
8-K Report FORM 8-K Jul 28, 2014 Jul 28, 2014
8-K Report FORM 8-K Jun 16, 2014 Jun 13, 2014
8-K Report FORM 8-K May 23, 2014 May 22, 2014
8-K Report CURRENT REPORT May 12, 2014 May 8, 2014
10-Q Report | Data FORM 10-Q May 1, 2014 Mar 31, 2014
8-K Report FORM 8-K Apr 29, 2014 Apr 29, 2014
8-K Report FORM 8-K Mar 26, 2014 Mar 20, 2014
10-K Report | Data ANNUAL REPORT Feb 28, 2014 Dec 31, 2013
SC 13G/A Report Feb 13, 2014
SC 13G/A Report SCHEDULE 13G AMENDMENT FILINGS Feb 13, 2014
8-K Report FORM 8-K Feb 12, 2014 Feb 10, 2014
SC 13G Report 13G FOR PSYCHEMEDICS CORP Feb 11, 2014
8-K Report CURRENT REPORT Jan 28, 2014 Jan 23, 2014
8-K/A Report AMENDMENT TO FORM 8-K Jan 27, 2014 May 23, 2013
SC 13G/A Report SCHEDULE 13G AMENDMENT FILINGS Jan 10, 2014
10-Q Report | Data 10-Q Oct 30, 2013 Sep 30, 2013
8-K Report FORM 8-K Oct 28, 2013 Oct 28, 2013
10-Q Report | Data FORM 10-Q Aug 9, 2013 Jun 30, 2013
8-K Report FORM 8-K Aug 5, 2013 Aug 5, 2013
8-K Report FORM 8-K Jun 3, 2013 May 23, 2013
10-Q Report | Data QUARTERLY REPORT May 10, 2013 Mar 31, 2013
8-K Report FORM 8-K May 8, 2013 May 7, 2013
8-K Report FORM 8-K Mar 8, 2013 Mar 6, 2013
10-K Report | Data FORM 10-K Mar 8, 2013 Dec 31, 2012
8-K Report FORM 8-K Feb 26, 2013 Feb 25, 2013
SC 13G/A Report SCHEDULE 13G HOLDINGS REPORT AMENDMENT Feb 13, 2013
SC 13G/A Report 2012 13G Feb 12, 2013
10-Q Report | Data FORM 10-Q Nov 9, 2012 Sep 30, 2012
8-K Report FORM 8-K Nov 6, 2012 Nov 5, 2012
SC 13G/A Report SCHEDULE 13G AMENDMENT FILING Oct 9, 2012
10-Q Report | Data FORM 10-Q Aug 14, 2012 Jun 30, 2012
8-K Report CURRENT REPORT Aug 7, 2012 Aug 7, 2012
SC 13G/A Report SC 13G/A Jun 8, 2012
8-K Report FORM 8-K May 23, 2012 May 22, 2012
10-Q Report | Data QUARTERLY REPORT May 10, 2012 Mar 31, 2012
8-K Report FORM 8-K May 8, 2012 May 8, 2012
10-K Report | Data 10-K Mar 9, 2012 Dec 31, 2011
8-K Report FORM 8-K Feb 23, 2012 Feb 23, 2012
SC 13G/A Report SCHEDULE 13G HOLDINGS REPORT AMENDMENT Feb 15, 2012
SC 13G/A Report 13G/A Feb 13, 2012
8-K Report CURRENT REPORT Jan 25, 2012 Jan 19, 2012
10-Q Report | Data FORM 10-Q Nov 4, 2011 Sep 30, 2011
8-K Report FORM 8-K Nov 3, 2011 Aug 10, 2011
10-Q Report | Data FORM 10-Q Aug 16, 2011 Jun 30, 2011
8-K Report FORM 8-K Aug 12, 2011 Aug 10, 2011
SC 13G/A Report PMD 13GA 073111 Aug 10, 2011
SC 13G/A Report SCHEDULE 13G HOLDINGS REPORT AMENDMENT Aug 10, 2011
SC 13G/A Report Aug 2, 2011
8-K Report May 26, 2011 May 24, 2011
10-Q Report May 6, 2011 Mar 31, 2011
8-K Report May 5, 2011 May 5, 2011
10-K Report Mar 25, 2011 Dec 31, 2010
8-K Report Mar 2, 2011 Mar 2, 2011
SC 13G/A Report SCHEDULE 13G HOLDINGS REPORT AMENDMENT Feb 11, 2011
SC 13G/A Report 13G AMENDMENT Feb 11, 2011
SC 13G Report PMD 123110 13G Feb 1, 2011
SC 13G/A Report Jan 20, 2011
8-K Report Dec 30, 2010 Dec 30, 2010
SC 13G Report SC 13G Dec 23, 2010
10-Q Report Nov 12, 2010 Sep 30, 2010
8-K Report Nov 4, 2010 Nov 4, 2010
8-K Report Oct 28, 2010 Oct 25, 2010
8-K Report FORM 8-K Sep 23, 2010 Sep 17, 2010
10-Q Report Aug 13, 2010 Jun 30, 2010
8-K Report Aug 10, 2010 Aug 10, 2010
10-Q Report May 14, 2010 Mar 31, 2010
8-K Report May 13, 2010 May 11, 2010
10-K Report Mar 26, 2010 Dec 31, 2009
SC 13G Report PMD 13G 022810 Mar 2, 2010
8-K Report Feb 23, 2010 Feb 23, 2010
SC 13G/A Report 13G/A Feb 12, 2010
SC 13G Report SCHEDULE 13G Feb 11, 2010
SC 13G Report 123109 PSYCHEMEDICA 13G Feb 10, 2010
SC 13G Report Jan 7, 2010
10-Q Report 10-Q Nov 13, 2009 Sep 30, 2009
10-Q Report FORM 10-Q Aug 13, 2009 Jun 30, 2009
10-Q Report FORM 10-Q May 18, 2009 Mar 31, 2009
10-K Report FORM 10-K Mar 27, 2009 Dec 31, 2008
10-Q Report Nov 14, 2008 Sep 30, 2008
10-Q Report PSYCHEMEDICS CORPORATION Aug 12, 2008 Jun 30, 2008
10-Q Report PSYCHEMEDICS CORPORATION May 14, 2008 Mar 31, 2008
10-K Report PSYCHEMEDICS CORPORATION FORM 10-K Mar 24, 2008 Dec 31, 2007
10-Q Report PSYCHEMEDICS CORPORATION Nov 9, 2007 Sep 30, 2007
10-Q Report PSYCHEMEDICS CORPORATION Aug 14, 2007 Jun 30, 2007
10-Q Report PSYCHEMEDICS CORPORATION May 14, 2007 Mar 31, 2007
10-K Report PSYCHEMEDICS CORPORATION Mar 30, 2007 Dec 31, 2006
10-Q Report PSYCHEMEDICS CORPORATION Nov 8, 2006 Sep 30, 2006
10-Q Report PSYCHEMEDICS CORPORATION Aug 10, 2006 Jun 30, 2006
10-Q Report PSYCHMEDICS CORPORATION 10-Q May 12, 2006 Mar 31, 2006
10-K Report PSYCHEMEDICS CORPORATION Mar 31, 2006 Dec 31, 2005
10-Q Report PSYCHEMEDICS CORPORATION FORM 10-Q Nov 14, 2005 Sep 30, 2005
10-Q Report PSYCHEMEDICS CORPORATION Aug 15, 2005 Jun 30, 2005
10-Q Report PSYCHEMEDICS CORPORATION FORM 10-Q May 12, 2005 Mar 31, 2005
10-K Report PSYCHEMEDICS CORPORATION Mar 31, 2005 Dec 31, 2004
10-Q Report PSYCHEMEDICS CORPORATION Nov 5, 2004 Sep 30, 2004
10-Q Report PSYCHEMEDICS CORPORATION Aug 16, 2004 Jun 30, 2004
10-Q Report PSYCHEMEDICS CORPORATION FORM 10-Q May 12, 2004 Mar 31, 2004
10-K Report PSYCHEMEDICS CORPORATION Mar 30, 2004 Dec 31, 2003
10-Q Report PSYCHEMEDICS CORPORATION Nov 5, 2003 Sep 30, 2003
10-Q Report PSYCHEMEDICS CORPORATION Aug 14, 2003 Jun 30, 2003
10-Q Report PSYCHEMEDICS CORPORATION May 13, 2003 Mar 31, 2003
10-K Report PSYCHMEDICS CORPORATION Mar 31, 2003 Dec 31, 2002
10-Q Report PSYCHEMEDICS CORPORATION Nov 12, 2002 Sep 30, 2002
10-Q Report PSYCHEMEDICS CORPORATION Aug 14, 2002 Jun 30, 2002
10-Q Report PSYCHEMEDICS CORPORATION May 14, 2002 Mar 31, 2002
10-K Report PSYCHMEDICS CORPORATION Mar 29, 2002 Dec 31, 2001
10-Q Report PSYCHEMEDICS CORPORATION Nov 14, 2001 Sep 30, 2001
10-Q Report PSYCHEMEDICS CORPORATION Aug 7, 2001 Jun 30, 2001
10-Q Report PSYCHMEDICS CORPORATION May 14, 2001 Mar 31, 2001
10-K Report PSYCHEMEDICS CORPORATION Mar 27, 2001 Dec 31, 2000
10-Q Report PSCHEMEDICS CORPORATION Nov 9, 2000 Sep 30, 2000
10-Q Report PSYCHEMEDICS, INC. Aug 7, 2000 Jun 30, 2000
10-Q Report PSYCHEMEDICS CORPORATION May 12, 2000 Mar 31, 2000
10-Q Report PSYCHEMEDICS CORPORATION Nov 9, 1999 Sep 30, 1999
10-Q Report PSYCHEMEDICS CORP. FORM 10-Q Jul 30, 1999 Jun 30, 1999
10-Q Report PSYCHEMEDICS CORPORATION May 13, 1999 Mar 31, 1999
10-K Report PSYCHEMEDICS CORPORATION Mar 29, 1999 Dec 31, 1998
10-Q Report PSYCHEMEDICS CORPORATION Nov 6, 1998 Sep 30, 1998
10-Q Report PSYCHEMEDICS CORPORATION 10-Q Aug 10, 1998 Jun 30, 1998
10-Q Report PSYCHEMEDICS, INC. FORM 10-Q (PERIOD END 03/31/98) May 14, 1998 Mar 31, 1998
10-K Report PSYCHEMEDICS CORPORATION Mar 31, 1998 Dec 31, 1997
10-Q Report PSYCHEMEDICS CORPORATION Nov 13, 1997 Sep 30, 1997
10-Q Report PSYCHEMEDICS CORPORATION Aug 14, 1997 Jun 30, 1997
10-Q Report PSYCHEMEDICS CORPORATION May 14, 1997 Mar 31, 1997
10-K Report PSYCHEMEDICS CORPORATION FORM 10-K Mar 31, 1997 Dec 31, 1996
10-Q Report PSYCHEMEDICS CORPORATION REPORT ON FORM 10-Q Nov 13, 1996 Sep 30, 1996
10-Q Report PSYCHMEDICS CORPORATION FORM 10-Q Aug 14, 1996 Jun 30, 1996
10-Q Report PSYCHEMEDICS CORPORATION May 15, 1996 Mar 31, 1996