Document and Entity Information	6 Months Ended
	Jun. 30, 2013	Jul. 31, 2013
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	USAP
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		6,990,676