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Related Party Transactions (Narratives) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Business Acquisition [Line Items]        
Operating Leases, Rent Expense, Net $ 600,000 $ 400,000 $ 1,200,000 $ 800,000
HART Sublease Rent 44,000 41,000 86,000 81,000
Transition Services Charged to HART   41,000   101,000
Distribution Revenues From Spinnee 101,000 $ 31,000 149,000 $ 109,000
Multi Channel Systems MCS GmbH [Member]        
Business Acquisition [Line Items]        
Operating Leases, Rent Expense, Net 58,000   113,000  
Triangle BioSystems, Inc. [Member]        
Business Acquisition [Line Items]        
Operating Leases, Rent Expense, Net $ 11,000   $ 21,000