Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Amount
Income tax benefit at the U.S. federal statutory rate	$ (7,302)	$ (5,356)
Disallowed R&D expenses		3
Non-taxable R&D rebate		0
Return to provision		57
Stock-based compensation		246
State income taxes, net of federal income tax effect	0
Foreign tax effects
Statutory tax rate difference between Australia and U.S.		(76)
Other	(149)	21
Effect of changes in tax laws or rates enacted in the current period	0
Effect of cross border tax laws	(76)
Tax credits	0
Change in valuation allowance	7,278	4,870
Non taxable or non deductible items
Other non-taxable income & disallowed expenses	173	235
Changes in unrecognized tax benefits	0
Income tax benefit	$ 0	$ 0
Percent
Income tax benefit at the U.S. federal statutory rate	21.00%
State income taxes, net of federal income tax effect	0.00%
Foreign tax effects
Other	(0.40%)
Effect of changes in tax laws or rates enacted in the current period	0.00%
Effect of cross border tax laws	0.20%
Tax credits	0.00%
Effect of change in valuation allowance	20.90%
Non taxable or non deductible items
Other non-taxable income & disallowed expenses	(0.50%)
Changes in unrecognized tax benefits	0.00%
Effective income tax rate	0.00%
Australia [Member]
Foreign tax effects
Statutory tax rate difference between Australia and U.S.	$ (31)
Other	85
Change in valuation allowance	$ 22
Foreign tax effects
Statutory tax rate difference between Australia and U.S.	0.10%
Other	0.20%
Effect of change in valuation allowance	0.10%