Sponsored Research and Clinical Trial Agreements - summary of Helocyte’s expense related to its clinical research arrangements (Detail) - Helocyte Inc [Member] - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2017 |
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| Payments For Research And Development Expenses | $ 0 | $ 735 |
| COH Triplex Clinical Research and Support [Member] | ||
| Payments For Research And Development Expenses | 0 | 500 |
| COH PepVax Clinical Research And Support [Member] | ||
| Payments For Research And Development Expenses | $ 0 | $ 235 |
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- Definition The amount of cash outflow associated research and development expenses paid during the period. No definition available.
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