Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2015	Mar. 25, 2016	Jun. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	Quadrant 4 System Corp
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		108,861,774
Entity Public Float			$ 20,125,498.68
Amendment Flag	true
Amendment Description	EXPLANATORY NOTE FOR AMENDMENT NO. 1:QUADRANT 4 SYSTEM CORPORATION (the "Company" or "we") is filing this Amendment No. 1 on Form 10-K/A to amend and restate in their entirety the following Items in our Annual Report on Form 10-K for the year ended December 31, 2015 as originally filed with the Securities and Exchange Commission on March 28, 2016 (the "Original Form 10-K") in order to correct required information in the Original Form 10-K as follows:(i) Cover Page: Title of securities registered pursuant to Section 12(g) of the Securities Exchange Act of 1934 (the "1934 Act") and aggregate market value of common stock held by affiliates of the Registrant.(ii) Part II, Item 8 (Financial Statements), for the purposes of (a) adding disclosures regarding related party transactions as set forth in Note 14 thereto, (b) correcting Note 11 to reflect that our Articles of Incorporation do not provide for the issuance of preferred stock and (c) correcting Note 14 to provide additional information regarding our relationship with a key subcontractor.(iii) Part II, Item 9B (Other Information), Part IV, Item 15 (Exhibits, Financial Statement Schedules) and Exhibits 3.1 and 3.2 to attach copies of the Company's Articles of Incorporation and Bylaws.(iv) Part III, Item 10 (Directors and Executive Officers of the Registrant) to (a) correct the ages of the directors, (b) remove disclosures regarding the beneficial ownership of our common stock by our directors and executive officers, which disclosure have been corrected and incorporated into Item 12 of this Amendment, and (c) correct disclosures regarding compliance of our directors and executive officers with the requirements of Section 16(a) of the 1934 Act.(v) Part III, Item 12 (Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters) to correct the disclosure of the beneficial ownership of our common stock.(vi) Part III, Item 13 (Certain Relationships and Related Transactions) to provide revised disclosure of relationships and transactions with related parties.No other portions of such Items as set forth in the Original Form 10-K, and no other Items of the Original Form 10-K, were affected by such changes. This report on Form 10-K/A is presented as of the filing date of the Original Form 10-K and does not reflect events occurring after that date, or modify or update disclosures in any way other than as required to reflect the foregoing matters. This Amendment should be read in conjunction with the Original Form 10-K, which continues to speak as of the date thereof.
Entity Central Index Key	0000878802
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY