Business Acquisition, Ownership Threshold, Percentage

No definition available.

Name:	resn_BusinessAcquisitionOwnershipThresholdPercentage
Namespace Prefix:	resn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Acquisition, Termination Terms, Amount Required To Be Reimbursed

+ References

No definition available.

+ Details

Name:	resn_BusinessAcquisitionTerminationTermsAmountRequiredToBeReimbursed
Namespace Prefix:	resn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Business Acquisition, Termination Terms, Termination Fee To Be Paid

+ References

No definition available.

+ Details

Name:	resn_BusinessAcquisitionTerminationTermsTerminationFeeToBePaid
Namespace Prefix:	resn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of common stock.

+ 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(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=resn_MergerAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=resn_MurataMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Millions	Feb. 14, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001
Subsequent Event \| Merger Agreement
Subsequent Event [Line Items]
Termination fee	$ 11.2
Subsequent Event \| Merger Agreement \| Maximum
Subsequent Event [Line Items]
Reimburse expense	$ 3.0
Subsequent Event \| Merger Agreement \| Murata
Subsequent Event [Line Items]
Common stock, par value (in dollars per share)	$ 0.001
Purchase price (in dollars per share)	$ 4.50
Number of shares issued and outstanding	50.00%
Termination fee	$ 15.0