Property and Equipment (Details) (USD $)
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Sep. 30, 2013
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Dec. 31, 2012
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Property and equipment [Line Items] | ||
Property and equipment, gross | $ 6,455,638 | $ 3,351,465 |
Less accumulated depreciation | (2,694,005) | (2,279,840) |
Property and equipment, net | 3,761,633 | 1,071,625 |
Leasehold Improvements [Member]
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Property and equipment [Line Items] | ||
Property and equipment, gross | 2,638,508 | 1,022,230 |
Lab and Clean Room Equipment [Member]
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Property and equipment [Line Items] | ||
Property and equipment, gross | 2,265,203 | 1,887,645 |
Furniture and Office Equipment [Member]
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Property and equipment [Line Items] | ||
Property and equipment, gross | 954,797 | 431,563 |
Construction in Progress [Member]
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Property and equipment [Line Items] | ||
Property and equipment, gross | 597,130 | 10,027 |
Assets Held under Capital Leases [Member]
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Property and equipment [Line Items] | ||
Property and equipment, net | 176,000 | |
Leasehold Improvements Paid by Others [Member]
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Property and equipment [Line Items] | ||
Property and equipment, net | $ 1,000,000 |