Prepaid expenses and other assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Prepaid expenses and other assets
CARES Act employee retention credit receivable	$ 847	$ 0
Research and development advance payments	530	586
Other prepaids and short-term deposits	324	492
Reimbursement receivable from DoD	243	2,674
Prepaid insurance	217	2,019
Unbilled reimbursement receivable from DoD		1,638
Prepaid expenses and other assets	$ 2,161	$ 7,409

Carrying amount of employee retention credit receivable as on the balance sheet date.

No definition available.

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- Definition

The amount of reimbursement receivable classified as current.

+ References

No definition available.

+ Details

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- Definition

The advance payments for research and development expenses.

+ References

No definition available.

+ Details

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- Definition

The amount of unbilled reimbursement receivable classified as current.

+ References

No definition available.

+ Details

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Namespace Prefix:	imnm_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

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- Definition

Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

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+ Details

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