Document and Entity Information - shares	9 Months Ended
	Dec. 31, 2015	Jan. 31, 2016
Document And Entity Information
Entity Registrant Name	GSI TECHNOLOGY INC
Entity Central Index Key	0001126741
Document Type	10-Q
Document Period End Date	Dec. 31, 2015
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		22,344,102
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2016