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Acquisition of Healthcare Protective Products Division (Details) (USD $)
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0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | |||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Aug. 01, 2013
HPPD [Member]
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Dec. 31, 2013
HPPD [Member]
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Aug. 01, 2013
HPPD [Member]
RSDL [Member]
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Dec. 31, 2013
HPPD [Member]
RSDL [Member]
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Aug. 01, 2013
HPPD [Member]
Manufacturing Agreement [Member]
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Dec. 31, 2013
HPPD [Member]
Manufacturing Agreement [Member]
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Aug. 01, 2013
HPPD [Member]
Minimum [Member]
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Aug. 01, 2013
HPPD [Member]
Maximum [Member]
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| 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 | ||||||||||