Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Royalty-Linked Notes - Additional Information (Details)

v3.20.2

Royalty-Linked Notes - Additional Information (Details) - Royalty-Linked Notes	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) $ / RNL	Sep. 08, 2020 USD ($)	Jan. 21, 2020 USD ($)
Debt Instrument [Line Items]
Debt instrument outstanding portion \| $ / RNL		0.04
Debt instrument maturity date		Dec. 31, 2045
Debt instrument, aggregate potential payment capped value		$ 160,000
Debt instrument, aggregate potential payment capped rate		4,000
Interest expense	$ 636,000	$ 1,525,000
Sulopenem
Debt Instrument [Line Items]
Debt discounts	$ 1,239,000	$ 1,239,000
Estimated effective interest rate	31.10%	31.10%
Private Placement
Debt Instrument [Line Items]
Aggregate principal amount				$ 2,579,400
Rights Offering
Debt Instrument [Line Items]
Aggregate principal amount			$ 11,000

- Definition

Debt instrument aggregate amount of payments on royalty linked subordinated.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Debt instrument aggregate potential payment capped rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	itrm_
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- Definition

Debt instrument outstanding portion.

+ References

No definition available.

+ Details

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Namespace Prefix:	itrm_
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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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