Collaborative Agreements: (Details Textual) - USD ($)
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1 Months Ended |
6 Months Ended |
12 Months Ended |
Nov. 11, 2015 |
Oct. 09, 2015 |
May 15, 2014 |
Mar. 31, 2015 |
Nov. 19, 2014 |
Jun. 30, 2016 |
Jun. 30, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Collaborative Agreements [Line Items] |
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| Estimated Budget For Services |
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$ 11,600,000
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| Payments for Advance to Affiliate |
$ 1,875,861
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$ 200,000
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| Service Fees |
928,000
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| Pass Through Expenses |
268,000
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| Investigator And Institute fees |
680,000
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| Research and Development Expense [Member] |
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| Collaborative Agreements [Line Items] |
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| Percentage of Expenses of Total Amount Due |
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75.00%
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| January 2016 through September 2017 [Member] |
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| Collaborative Agreements [Line Items] |
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| Estimated Budget For Services |
$ 9,500,000
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| Contract Research Organization [Member] |
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| Collaborative Agreements [Line Items] |
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| Commitment To Pay Fees |
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$ 715,159
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$ 150,000
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| Reduction Of Commitment Fees |
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$ 657,238
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| Payments for Fees |
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837,112
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$ 687,112
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| Accounts Payable |
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0
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377,225
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$ 417,877
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| Worldwide Clinical Trials [Member] |
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| Collaborative Agreements [Line Items] |
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| Professional Fees |
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$ 300,000
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| Prepaid Expense |
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533,000
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| Stanford Agreement [Member] |
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| Collaborative Agreements [Line Items] |
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| License Initiation Fee |
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60,850
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| Annual License Maintenance Fee |
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10,000
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10,000
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10,000
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| Milestone Payments Upon Achievement Of Certain Product |
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3,700,000
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| Payment For License Agreement Fees |
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$ 48,564
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| Mount Sinai Agreement [Member] |
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| Collaborative Agreements [Line Items] |
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| License Initiation Fee |
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$ 29,400
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25,000
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$ 25,000
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| Annual License Maintenance Fee |
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10,000
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| Milestone Payments Upon Achievement Of Certain Product |
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$ 3,500,000
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