The amount of other research and development expenses.

No definition available.

Name:	frsx_OtherResearchAndDevelopment
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of payroll research and development related expenses for the reporting period.

+ References

No definition available.

+ Details

Name:	frsx_PayrollResearchAndDevelopmentRelatedExpenses
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of rent and office maintenance for research and development.

+ References

No definition available.

+ Details

Name:	frsx_RentAndOfficeMaintenanceForResearchAndDevelopment
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of sales of prototypes.

+ References

No definition available.

+ Details

Name:	frsx_SalesOfPrototypes
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of share based payments to service provider for research and development expenses.

+ References

No definition available.

+ Details

Name:	frsx_ShareBasedPaymentsToServiceProviderRelatedToResearchAndDevelopment
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The fee payment of subcontracted work and consulting for thr reporting period.

+ References

No definition available.

+ Details

Name:	frsx_SubcontractedWorkAndConsultingFeeExpensesRelatedToResearchAndDevelopment
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of travel expenses related to research and development.

+ References

No definition available.

+ Details

Name:	frsx_TravelExpensesRelatedToResearchAndDevelopment
Namespace Prefix:	frsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_ResearchAndDevelopmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

+ Details

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