    <SEC-DOCUMENT>0001437749-19-021670-index.html : 20191106
    <SEC-HEADER>0001437749-19-021670.hdr.sgml : 20191106
    <ACCEPTANCE-DATETIME>20191106091954
    ACCESSION NUMBER:		0001437749-19-021670
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20191106
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20191106
    DATE AS OF CHANGE:		20191106

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			LSI INDUSTRIES INC
    		CENTRAL INDEX KEY:			0000763532
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
    		IRS NUMBER:				310888951
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-13375
    		FILM NUMBER:		191195283

    	BUSINESS ADDRESS:
    		STREET 1:		10000 ALLIANCE RD
    		STREET 2:		P O BOX 42728
    		CITY:			CINCINNATI
    		STATE:			OH
    		ZIP:			45242
    		BUSINESS PHONE:		5135796411

    	MAIL ADDRESS:
    		STREET 1:		10000 ALLIANCE RD
    		STREET 2:		P O BOX 42728
    		CITY:			CINCINNATI
    		STATE:			OH
    		ZIP:			45242

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	LSI LIGHTING SYSTEMS INC
    		DATE OF NAME CHANGE:	19891121
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>lyts20191104_8k.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: lyts20191104_8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex_163261.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: ex_163261.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>ex_163262.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: ex_163262.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>ex_163261img001.gif
    <TEXT>
    Document 4 - file: ex_163261img001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>lyts20191104_8kimg001.gif
    <TEXT>
    Document 5 - file: lyts20191104_8kimg001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>slide01.jpg
    <TEXT>
    Document 6 - file: slide01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>slide02.jpg
    <TEXT>
    Document 7 - file: slide02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>slide03.jpg
    <TEXT>
    Document 8 - file: slide03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>slide04.jpg
    <TEXT>
    Document 9 - file: slide04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>slide05.jpg
    <TEXT>
    Document 10 - file: slide05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>slide06.jpg
    <TEXT>
    Document 11 - file: slide06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>slide07.jpg
    <TEXT>
    Document 12 - file: slide07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>slide08.jpg
    <TEXT>
    Document 13 - file: slide08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>slide09.jpg
    <TEXT>
    Document 14 - file: slide09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>slide10.jpg
    <TEXT>
    Document 15 - file: slide10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>slide11.jpg
    <TEXT>
    Document 16 - file: slide11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>slide12.jpg
    <TEXT>
    Document 17 - file: slide12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>slide13.jpg
    <TEXT>
    Document 18 - file: slide13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>slide14.jpg
    <TEXT>
    Document 19 - file: slide14.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>