| Disposition (Details) - Biodefense Business [Member] | Nov. 04, 2015  USD ($)  shares | 
|---|---|
| Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | |
| Sales of business, number of common stock shares eligible to receive | shares | 1,150 | 
| Royalties receivable percentage on net sales | 15.00% | 
| Maximum [Member] | |
| Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | |
| Cash payments from Nanotherapeutics | $ | $ 4,500,000 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition The amount of contingent payments the company is entitled to receive related to sole performance of counterparty under the agreement. No definition available. 
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- Definition Royalty receivable percentage on net sales. No definition available. 
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- Definition Sales of business number of common stock shares eligible to receive. No definition available. 
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