The amount of loss contingency damages sought classified as interest.

No definition available.

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Namespace Prefix:	thmo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The value (monetary amount) of bond as a negotiation condition for removing a defendant in the legal matter.

+ References

No definition available.

+ Details

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Namespace Prefix:	thmo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The length of the term associated with the severance payments.

+ References

No definition available.

+ Details

Name:	thmo_PaymentTermsSeveranceCompensation
Namespace Prefix:	thmo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios, and adherence to certain clauses which must be met in order to avoid default. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

No definition available.

+ Details

Name:	thmo_ShortTermInvestmentMinimum
Namespace Prefix:	thmo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_LitigationCaseAxis=thmo_LitigationRelatedToStrategicAdvisoryServicesMember
Namespace Prefix:
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Period Type:

Note 6 - Commitments and Contingencies (Details Textual) - USD ($)		1 Months Ended	6 Months Ended	9 Months Ended
	May 04, 2017	Oct. 31, 2017	Jun. 30, 2019	Sep. 30, 2019	Jun. 30, 2018
Payment Terms, Severance Compensation				1 year
Short Term Investment Minimum				$ 2,000,000
Litigation Related to Strategic Advisory Services [Member]
Loss Contingency, Damages Sought, Value	$ 1,000,000
Loss Contingency, Damages Sought, Value, Interest			$ 300,000
Loss Contingency, Negotiation Condition Bond		$ 1,000,000
Loss Contingency Accrual, Ending Balance				$ 0	$ 0