<SEC-DOCUMENT>0001437749-19-024383-index.html : 20191213
<SEC-HEADER>0001437749-19-024383.hdr.sgml : 20191213
<ACCEPTANCE-DATETIME>20191213120126
ACCESSION NUMBER:		0001437749-19-024383
CONFORMED SUBMISSION TYPE:	10-Q/A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20190630
FILED AS OF DATE:		20191213
DATE AS OF CHANGE:		20191213

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MESA LABORATORIES INC /CO
		CENTRAL INDEX KEY:			0000724004
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				840872291
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		10-Q/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11740
		FILM NUMBER:		191283892

	BUSINESS ADDRESS:	
		STREET 1:		12100 W 6TH AVE
		CITY:			LAKEWOOD
		STATE:			CO
		ZIP:			80228
		BUSINESS PHONE:		3039878000

	MAIL ADDRESS:	
		STREET 1:		12100 W 6TH AVE
		CITY:			LAKEWOOD
		STATE:			CO
		ZIP:			80228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MESA MEDICAL INC
		DATE OF NAME CHANGE:	19921123
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q/A
<SEQUENCE>1
<FILENAME>mlab20190630_10qa.htm
<DESCRIPTION>FORM 10-Q/A
<TEXT>
Document 1 - file: mlab20190630_10qa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>ex_166845.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
Document 2 - file: ex_166845.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>ex_166846.htm
<DESCRIPTION>EXHIBIT 31.2
<TEXT>
Document 3 - file: ex_166846.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>ex_166847.htm
<DESCRIPTION>EXHIBIT 32.1
<TEXT>
Document 4 - file: ex_166847.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>ex_167303.htm
<DESCRIPTION>EXHIBIT 32.2
<TEXT>
Document 5 - file: ex_167303.htm

</DOCUMENT>
</SEC-DOCUMENT>