Commitments and Contingencies (Details) - Royalty Agreement Terms [Member] $ in Thousands  | 
9 Months Ended | 
|---|---|
| 
 Sep. 30, 2015  
USD ($) 
 | |
| Future minimum annual royalties | |
| 2016 | $ 50 | 
| Net sales [Member] | |
| Research and Development Arrangement, Contract to Perform for Others [Line Items] | |
| Royalty percentage | 1.00% | 
| License fees [Member] | |
| Research and Development Arrangement, Contract to Perform for Others [Line Items] | |
| Royalty percentage | 21.00% | 
| Sub-licensee net sales [Member] | |
| Research and Development Arrangement, Contract to Perform for Others [Line Items] | |
| Royalty percentage | 1.00% | 
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- Definition Percentage used to calculate royalty obligation using a specified benchmark. No definition available. 
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- Definition Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available. 
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- 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. No definition available. 
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