DOCUMENT AND ENTITY INFORMATION	3 Months Ended
	Dec. 31, 2012	Feb. 14, 2013
Entity Registrant Name	Computer Graphics International Inc.
Entity Central Index Key	0001242513
Current Fiscal Year End Date	--09-30
Entity Filer Category	Smaller Reporting Company
Trading Symbol	cgii
Entity Common Stock, Shares Outstanding		16,331,854
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 31, 2012
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2013