Summary of Significant Accounting Policies - Summary of financial assets and liabilities measured at fair value on recurring basis (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024
Fair Value
Assets:
Cash	$ 2,537		$ 994
Cash equivalents	26,938		17,988
Term loan advance to Amplex	0		300
Carrying Value
Assets:
Cash	2,537		994
Cash equivalents	26,938		17,988
Term loan advance to Amplex	0		300
Level 1
Assets:
Cash	2,537		994
Cash equivalents	26,938		17,988
Term loan advance to Amplex	0		0
Level 2
Assets:
Cash	0		0
Cash equivalents	0		0
Term loan advance to Amplex	0		0
Level 3
Assets:
Cash	0		0
Cash equivalents	0		0
Term loan advance to Amplex	0		300
Liabilities:
Dissenting shareholders' liability (Note 2)	$ 0	$ 5,355	$ 0