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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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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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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Summary of Significant Accounting Policies - Segment Information (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014	Dec. 31, 2015 USD ($) item	Dec. 31, 2014
Segment Information
Number of operating segments \| item			1
Recent Accounting Pronouncements
Deferred financing costs	$ 5,000,000		$ 5,000,000
Reduction in long-term assets and Liabilities, current	$ 843,000		$ 843,000
Takeda \| Revenues Percentage
Collaborative Partner:
Percentages of revenue recognized	49.00%		28.00%
Novartis \| Revenues Percentage
Collaborative Partner:
Percentages of revenue recognized	1.00%	54.00%	1.00%	44.00%
Lilly \| Revenues Percentage
Collaborative Partner:
Percentages of revenue recognized	1.00%	35.00%	16.00%	28.00%
Sanofi \| Revenues Percentage
Collaborative Partner:
Percentages of revenue recognized	11.00%		6.00%	10.00%
Roche \| Revenues Percentage
Collaborative Partner:
Percentages of revenue recognized	36.00%	10.00%	37.00%	14.00%