Major Customer: (Details) (Customer Concentration Risk [Member], Hospira [Member])
3 Months Ended9 Months Ended
Sep. 30, 2011
Revenue [Member]
Sep. 30, 2010
Revenue [Member]
Sep. 30, 2011
Revenue [Member]
Sep. 30, 2010
Revenue [Member]
Sep. 30, 2011
Accounts Receivable [Member]
Dec. 31, 2010
Accounts Receivable [Member]
Concentration Risk [Line Items]      
Entitiy Wide Revenue Major Customer Percent44.00%47.00%42.00%43.00%  
Entitiy Wide Revenue Major Customer Percent44.00%47.00%42.00%43.00%  
Entity Wide Accounts Receivable Major Customer Percent    34.00%43.00%