Debt Instrument, Number Of Quarterly Payments

No definition available.

Name:	luna_DebtInstrumentNumberOfQuarterlyPayments
Namespace Prefix:	luna_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Termination Notice Period

+ References

No definition available.

+ Details

Name:	luna_TerminationNoticePeriod
Namespace Prefix:	luna_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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+ Details

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

- 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

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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+ Details

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

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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+ Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=luna_PNCBankFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=luna_LoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

Debt - Additional Information (Details) - PNC Bank Facility $ in Millions		9 Months Ended
	Dec. 01, 2020 USD ($) payment	Sep. 30, 2021
Term Loan
Debt Instrument [Line Items]
Number of quarterly payments \| payment	12
Term Loan \| Loan Agreement
Debt Instrument [Line Items]
Debt, face amount	$ 12.5
Revolving Loan
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage	0.20%
Termination notice	3 days
Revolving Loan \| Loan Agreement
Debt Instrument [Line Items]
Line of credit facility	$ 15.0
Proceeds from Lines of Credit	7.6
Letter of Credit \| Loan Agreement
Debt Instrument [Line Items]
Debt, face amount	$ 3.0
London Interbank Offered Rate (LIBOR) \| Term Loan \| Minimum
Debt Instrument [Line Items]
Variable basis rate	1.75%	1.75%
London Interbank Offered Rate (LIBOR) \| Term Loan \| Maximum
Debt Instrument [Line Items]
Variable basis rate	2.25%	2.25%
London Interbank Offered Rate (LIBOR) \| Revolving Loan \| Minimum
Debt Instrument [Line Items]
Variable basis rate	1.75%
London Interbank Offered Rate (LIBOR) \| Revolving Loan \| Maximum
Debt Instrument [Line Items]
Variable basis rate	2.25%