Commitments and Contingencies (Details 1) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|
Nov. 30, 2019 |
Jun. 15, 2012 |
Mar. 31, 2020 |
Mar. 31, 2019 |
Jan. 31, 2020 |
|
| Commitments and Contingencies (Textual) | |||||
| Research and development costs | $ 1,500 | $ 400 | |||
| Fred Hutchinson Cancer Research Center [Member] | License and Sponsored Research Agreement [Member] | |||||
| Commitments and Contingencies (Textual) | |||||
| Description of royalty payment | Royalty payments of 2% of net sales will be due to FHCRC. | ||||
| Milestone payment | $ 1,000 | ||||
| Oak Ridge National Laboratory [Member] | |||||
| Commitments and Contingencies (Textual) | |||||
| Purchase of materials | $ 300 | $ 100 | |||
| Medpace Inc [Member] | |||||
| Commitments and Contingencies (Textual) | |||||
| Total project estimated to cost | $ 11,900 | ||||