Document And Entity Information (USD $)	9 Months Ended
	Oct. 01, 2011
Entity Registrant Name	ANADIGICS INC
Entity Central Index Key	0000940332
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Filer Category	Accelerated Filer
Entity Public Float	$ 68,172,000
Entity Common Stock, Shares Outstanding	68,172,388
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 01, 2011