    <SEC-DOCUMENT>0001564590-20-017585-index.html : 20200421
    <SEC-HEADER>0001564590-20-017585.hdr.sgml : 20200421
    <ACCEPTANCE-DATETIME>20200421094510
    ACCESSION NUMBER:		0001564590-20-017585
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		9
    CONFORMED PERIOD OF REPORT:	20200420
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200421
    DATE AS OF CHANGE:		20200421

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ONE STOP SYSTEMS, INC.
    		CENTRAL INDEX KEY:			0001394056
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPUTERS [3571]
    		IRS NUMBER:				330885351
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38371
    		FILM NUMBER:		20804160

    	BUSINESS ADDRESS:
    		STREET 1:		2235 ENTERPRISE ST STE 110
    		CITY:			ESCONDIDO
    		STATE:			CA
    		ZIP:			92029
    		BUSINESS PHONE:		760-745-9883

    	MAIL ADDRESS:
    		STREET 1:		2235 ENTERPRISE ST STE 110
    		CITY:			ESCONDIDO
    		STATE:			CA
    		ZIP:			92029

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ONE STOP SYSTEMS INC
    		DATE OF NAME CHANGE:	20070322
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>oss-8k_20200420.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: oss-8k_20200420.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.1
    <SEQUENCE>2
    <FILENAME>oss-ex41_29.htm
    <DESCRIPTION>EX-4.1
    <TEXT>
    Document 2 - file: oss-ex41_29.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>3
    <FILENAME>oss-ex51_30.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 3 - file: oss-ex51_30.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>4
    <FILENAME>oss-ex101_28.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 4 - file: oss-ex101_28.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>5
    <FILENAME>oss-ex102_27.htm
    <DESCRIPTION>EX-10.2
    <TEXT>
    Document 5 - file: oss-ex102_27.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.3
    <SEQUENCE>6
    <FILENAME>oss-ex103_26.htm
    <DESCRIPTION>EX-10.3
    <TEXT>
    Document 6 - file: oss-ex103_26.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>gjjrryxc3cxq000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: gjjrryxc3cxq000003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>gjjrryxc3cxq000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: gjjrryxc3cxq000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>gjjrryxc3cxq000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: gjjrryxc3cxq000001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>