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Government Programs (Details) $ in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) | May 31, 2017 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 AUD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 AUD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 AUD ($) | Dec. 31, 2020 AUD ($)
Government Programs |  |  |  |  |  |  |  |  |
Research and development tax incentive receivable |  |  | $ 1,084 |  |  |  |  |  |
SBIR Grant |  |  |  |  |  |  |  |  |
Government Programs |  |  |  |  |  |  |  |  |
Reduction of research and development expenses related to tax |  |  | 500 |  | $ 1,400 |  | $ 700 |  |
Research and development grants | $ 1,500 | $ 1,300 |  |  |  |  |  |  |
Grants receivable |  |  | 0 |  | 300 |  |  |  |
Australian |  |  |  |  |  |  |  |  |
Government Programs |  |  |  |  |  |  |  |  |
Reduction of research and development expenses related to tax |  |  | 1,000 | $ 1.4 | 1,300 | $ 1.9 | $ 1,600 | $ 2.1 |
Overseas Findings | Australian |  |  |  |  |  |  |  |  |
Government Programs |  |  |  |  |  |  |  |  |
Research and development tax incentive receivable |  |  | $ 1,100 |  | $ 0 |  |  |  | $ 1.4

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