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Government Programs (Details) $ in Thousands, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2021 AUD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2020 AUD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 AUD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2020 AUD ($) | Sep. 30, 2021 AUD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 AUD ($)
Government Programs |  |  |  |  |  |  |  |  |  |  |
Research and development tax incentive receivable | $ 1,871 |  |  |  | $ 1,871 |  |  |  |  | $ 1,084 |
SBIR Grant |  |  |  |  |  |  |  |  |  |  |
Government Programs |  |  |  |  |  |  |  |  |  |  |
Reduction to research and development expenses | 0 |  | $ 0 |  | 100 |  | $ 300 |  |  |  |
Grants receivable | 0 |  |  |  | 0 |  |  |  |  | 0 |
Australian |  |  |  |  |  |  |  |  |  |  |
Government Programs |  |  |  |  |  |  |  |  |  |  |
Reduction to research and development expenses | 500 | $ 0.6 | $ 300 | $ 0.4 | 2,200 | $ 2.9 | $ 500 | $ 0.8 |  |  |
Overseas Findings | Australian |  |  |  |  |  |  |  |  |  |  |
Government Programs |  |  |  |  |  |  |  |  |  |  |
Research and development tax incentive receivable | $ 1,900 |  |  |  | $ 1,900 |  |  |  | $ 2.6 | $ 1,100 | $ 1.4

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