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The period until delisting will be effective.

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Represents the earn out payment as a percentage the entity would be entitled to receive upon the achievement of a specified target.

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Represents the target net sales required to receive a specified earn out payment.

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Represents the amount of potential milestone payment that could be paid under the collaborative agreement.

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Represents the number of clinical-stage product candidates in development.

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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.

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No definition available.

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants.

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Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

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No definition available.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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Organization and Description of the Business (Details)		1 Months Ended	9 Months Ended
Organization and Description of the Business (Details)	Nov. 02, 2016 USD ($) shares	Mar. 31, 2015 USD ($)	Sep. 30, 2016 USD ($) item	Sep. 30, 2015 USD ($)	Jun. 23, 2014
Organization and description of business
Number of clinical-stage product candidates in development \| item			2
Revenue			$ 0
Conversion of convertible notes to common stock				$ 2,080,292
Period until delisting is effective	10 days
8.00% Convertible Notes Due 2019
Organization and description of business
Interest rate (as a percent)					8.00%
Debt outstanding			$ 43,750,000
Conversion of convertible notes to common stock		$ 3,250,000
Medivir
Organization and description of business
Consideration for sale	$ 12,000,000
Estimated proceeds equal to expense	275,000
Potential milestone payment	$ 153,000,000
Ownership of subsidiary (as a percent)	100.00%
Medivir \| Tier One
Organization and description of business
Earn out payment (as a percent)	5.00%
Medivir \| Tier Two
Organization and description of business
Earn out payment (as a percent)	7.50%
Medivir \| Tier Three
Organization and description of business
Earn out payment (as a percent)	10.00%
Medivir \| 8.00% Convertible Notes Due 2019
Organization and description of business
Interest rate (as a percent)	8.00%
Debt outstanding	$ 41,550,000
Debt holders (as a percent)	100.00%
Conversion of convertible notes to common stock	$ 2,200,000
Stock issued upon conversion (in shares) \| shares	12,222,222
Minimum \| Medivir \| Tier One
Organization and description of business
Earn out payment target sales	$ 0
Minimum \| Medivir \| Tier Two
Organization and description of business
Earn out payment target sales	500,000,000
Minimum \| Medivir \| Tier Three
Organization and description of business
Earn out payment target sales	1,000,000,000
Maximum \| Medivir \| Tier One
Organization and description of business
Earn out payment target sales	500,000,000
Maximum \| Medivir \| Tier Two
Organization and description of business
Earn out payment target sales	$ 1,000,000,000