    <SEC-DOCUMENT>0001437749-21-020344-index.html : 20210818
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    <ACCEPTANCE-DATETIME>20210818063117
    ACCESSION NUMBER:		0001437749-21-020344
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		36
    CONFORMED PERIOD OF REPORT:	20210818
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210818
    DATE AS OF CHANGE:		20210818

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Usio, Inc.
    		CENTRAL INDEX KEY:			0001088034
    		STANDARD INDUSTRIAL CLASSIFICATION:	FUNCTIONS RELATED TO DEPOSITORY BANKING, NEC [6099]
    		IRS NUMBER:				980190072
    		STATE OF INCORPORATION:			NV
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15093
    		FILM NUMBER:		211184970

    	BUSINESS ADDRESS:
    		STREET 1:		3611 PAESANOS PARKWAY
    		STREET 2:		SUITE 300
    		CITY:			SAN ANTONIO
    		STATE:			TX
    		ZIP:			78231
    		BUSINESS PHONE:		2102494100

    	MAIL ADDRESS:
    		STREET 1:		3611 PAESANOS PARKWAY
    		STREET 2:		SUITE 300
    		CITY:			SAN ANTONIO
    		STATE:			TX
    		ZIP:			78231

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Payment Data Systems Inc
    		DATE OF NAME CHANGE:	20190502

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PAYMENT DATA SYSTEMS INC
    		DATE OF NAME CHANGE:	20030812

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BILLSERV INC
    		DATE OF NAME CHANGE:	20011219
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>usio20210817_8k.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: usio20210817_8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex_276719.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: ex_276719.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>usio-20210818.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
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    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>usio-20210818_lab.xml
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    <TEXT>
    Document 5 - file: usio-20210818_lab.xml

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    <TEXT>
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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>slide01.jpg
    <TEXT>
    Document 7 - file: slide01.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>slide02.jpg
    <TEXT>
    Document 8 - file: slide02.jpg

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    Document 9 - file: slide03.jpg

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    <SEQUENCE>10
    <FILENAME>slide04.jpg
    <TEXT>
    Document 10 - file: slide04.jpg

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    <TEXT>
    Document 11 - file: slide05.jpg

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    <TEXT>
    Document 12 - file: slide06.jpg

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    Document 13 - file: slide07.jpg

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    Document 14 - file: slide08.jpg

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    Document 15 - file: slide09.jpg

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    Document 16 - file: slide10.jpg

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    Document 17 - file: slide11.jpg

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    Document 18 - file: slide12.jpg

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    Document 21 - file: slide15.jpg

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    Document 22 - file: slide16.jpg

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    <SEQUENCE>23
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    <TEXT>
    Document 23 - file: slide17.jpg

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    <SEQUENCE>24
    <FILENAME>slide18.jpg
    <TEXT>
    Document 24 - file: slide18.jpg

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    <SEQUENCE>25
    <FILENAME>slide19.jpg
    <TEXT>
    Document 25 - file: slide19.jpg

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    <SEQUENCE>26
    <FILENAME>slide20.jpg
    <TEXT>
    Document 26 - file: slide20.jpg

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    Document 27 - file: slide21.jpg

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    <SEQUENCE>28
    <FILENAME>slide22.jpg
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    Document 28 - file: slide22.jpg

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    Document 30 - file: R1.htm

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>31
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 31 - file: Financial_Report.xlsx

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    <TYPE>XML
    <SEQUENCE>32
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    <TEXT>
    Document 32 - file: Show.js

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    <SEQUENCE>33
    <FILENAME>report.css
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    <TEXT>
    Document 33 - file: report.css

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    <TYPE>XML
    <SEQUENCE>34
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    Document 34 - file: FilingSummary.html

    Document 34 - RAW XML: FilingSummary.xml

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    <TYPE>JSON
    <SEQUENCE>36
    <FILENAME>MetaLinks.json
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    <TEXT>
    Document 36 - file: MetaLinks.json

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