Acquisition of Healthcare Protective Products Division (Details) (USD $)
0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Aug. 01, 2013
HPPD [Member]
Dec. 31, 2013
HPPD [Member]
Aug. 01, 2013
HPPD [Member]
RSDL [Member]
Dec. 31, 2013
HPPD [Member]
RSDL [Member]
Aug. 01, 2013
HPPD [Member]
Manufacturing Agreement [Member]
Dec. 31, 2013
HPPD [Member]
Manufacturing Agreement [Member]
Aug. 01, 2013
HPPD [Member]
Minimum [Member]
Aug. 01, 2013
HPPD [Member]
Maximum [Member]
Business Acquisition [Line Items]                      
Contingent consideration, percentage of RSDL net sales (in hundredths)                   5.00% 10.00%
Purchase Price [Abstract]                      
Amount of cash paid to Bracco Diagnostics, Inc.       $ 25,873,000              
Fair value of contingent purchase consideration       16,232,000              
Total estimated purchase price       42,105,000              
Purchase Price Allocation [Abstract]                      
Acquired intangible assets       32,099,000              
Goodwill 13,954,000 5,502,000 5,502,000 8,452,000              
Acquired equipment       1,543,000              
Other       11,000              
Amortization period of intangible assets           8 years   3 years      
Weighted average amortization period of intangible assets         89 months            
Intangible Assets [Abstract]                      
Cost basis, beginning balance         0   0   0    
Additions         32,099,000   28,621,000   3,478,000    
Cost basis, ending balance         32,099,000   28,621,000   3,478,000    
Accumulated amortization, beginning balance         0   0   0    
Amortization         (1,951,000)   (1,468,000)   (483,000)    
Accumulated amortization, ending balance         (1,951,000)   (1,468,000)   (483,000)    
Net book value at December 31, 2013         30,148,000   27,153,000   2,995,000    
Future Amortization Expense [Abstract]                      
2014         4,737,000            
2015         4,737,000            
2016         4,255,000            
2017         3,587,000            
2018 and beyond         12,832,000            
Total remaining amortization         30,148,000   27,153,000   2,995,000    
Revenue included in statement of operations         11,200,000            
Net income included in statement of operations         1,900,000            
Acquisition transaction costs         $ 600,000