OTHER BALANCE SHEET INFORMATION (Details 2) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accrued expenses:
Contract-related	$ 475	$ 519
Compensation and compensation-related	614	65
Professional fees and other	162	246
Accrued expenses	$ 1,251	$ 830

Carrying value as of the balance sheet date of compensation and compensation-related expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

+ Details

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Namespace Prefix:	tnxp_
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Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of contract reltaed expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

+ Details

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

- Definition

Carrying value as of the balance sheet date of Professional fees and other reltaed expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

+ Details

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Namespace Prefix:	tnxp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration