Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Oct. 31, 2012
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Entity Registrant Name	UNIVERSAL STAINLESS & ALLOY PRODUCTS INC
Entity Central Index Key	0000931584
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		6,900,929