Revenue related to amortization of upfront payment.

No definition available.

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- Definition

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

+ References

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+ Details

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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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.

+ References

No definition available.

+ Details

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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-Publisher FASB
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- Details

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- Details

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Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
Related Party Transactions (Details Textual) - USD ($)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Related Party Transaction [Line Items]
Stock compensation expense recognized			$ 753,000	$ 1,862,000
Ownership interest	30.00%		30.00%
Providence Therapeutics, Inc [Member] \| Research Collaboration and License Agreement [Member]
Related Party Transaction [Line Items]
Revenue related to amortization of upfront payment	$ 400,000	$ 100,000	$ 500,000	$ 900,000
Accounts receivable, outstanding	$ 0		$ 0		$ 0
Stock compensation expense recognized		$ 1,500,000
Providence Therapeutics, Inc [Member] \| Research Collaboration and License Agreement [Member] \| President and Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Ownership interest	6.40%		6.40%