<SEC-DOCUMENT>0001144204-19-034908-index.html : 20190717
<SEC-HEADER>0001144204-19-034908.hdr.sgml : 20190717
<ACCEPTANCE-DATETIME>20190717145546
ACCESSION NUMBER:		0001144204-19-034908
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20190717
DATE AS OF CHANGE:		20190717
GROUP MEMBERS:		PAUL J. SOLIT
GROUP MEMBERS:		POTOMAC CAPITAL MANAGEMENT V LLC
GROUP MEMBERS:		POTOMAC CAPITAL PARTNERS V, LP

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARVARD BIOSCIENCE INC
		CENTRAL INDEX KEY:			0001123494
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				043306140
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60603
		FILM NUMBER:		19958858

	BUSINESS ADDRESS:	
		STREET 1:		84 OCTOBER HILL RD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746
		BUSINESS PHONE:		5088938999

	MAIL ADDRESS:	
		STREET 1:		84 OCTOBER HILL ROAD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Potomac Capital Management, Inc.
		CENTRAL INDEX KEY:			0001418746
		IRS NUMBER:				133984786
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		825 THIRD AVENUE
		STREET 2:		33RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-521-5151

	MAIL ADDRESS:	
		STREET 1:		825 THIRD AVENUE
		STREET 2:		33RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tv525312_sc13g.htm
<DESCRIPTION>SCHEDULE 13G
<TEXT>
Document 1 - file: tv525312_sc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tv525312_ex99-1.htm
<DESCRIPTION>EXHIBIT 1
<TEXT>
Document 2 - file: tv525312_ex99-1.htm

</DOCUMENT>
</SEC-DOCUMENT>