XML 75 R62.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Debt - Narrative (Details) $ / shares in Units, shares in Millions |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 11, 2021 USD ($) day $ / shares Rate shares | May 04, 2020 USD ($) day $ / shares Rate | Dec. 31, 2021 day Rate | Sep. 30, 2021 day | Dec. 31, 2021 USD ($) Rate | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 | Dec. 31, 2021 $ / shares
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net |  |  |  |  | $ 15,080,000 | $ 20,310,000 | $ 11,202,000 |  |  |
Ownership of convertible notes (as a percent) |  | 25.00% |  |  |  |  |  |  |  |
Proceeds from issuance of convertible debt, net of issuance costs |  |  |  |  | $ 334,410,000 | 194,466,000 | $ 0 |  |  |
Debt issuance costs |  |  |  |  |  |  |  | $ (714,000) |  |
Over-Allotment Option |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net | $ 334,400,000 | $ 194,500,000 |  |  |  |  |  |  |  |
Capped Call Transactions |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible debt, net of issuance costs | $ 29,300,000 |  |  |  |  |  |  |  |  |
Capped call transaction, number of underlying shares | shares | 5.2 |  |  |  |  |  |  |  |  |
Offering price per share (in dollars per share) | $ / shares | $ 85.75 |  |  |  |  |  |  |  |  |
Premium on offering price (as a percent) | 75.00% |  |  |  |  |  |  |  |  |
Public offering price (in dollars per share) | $ / shares | $ 49.00 |  |  |  |  |  |  |  |  |
0.25% Convertible Senior Notes | Convertible Debt |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) | 0.25% |  | 0.25% |  | 0.25% |  |  |  | 0.25% |
Debt instrument, face amount | $ 345,000,000 |  |  |  |  |  |  |  |  |
Discount on principal amount (as a percent) | Rate | 97.00% |  |  |  |  |  |  |  |  |
Discount on shares | $ 10,600,000 |  |  |  |  |  |  |  |  |
Threshold trading days | day | 20 |  |  |  |  |  |  |  |  |
Consecutive trading days | day | 30 |  |  |  |  |  |  |  |  |
Conversion price on applicable trading day (as a percent) | 130.00% |  |  |  |  |  |  |  |  |
Convertible Notes, conversion ratio | Rate | 1.51172% |  |  |  |  |  |  |  |  |
Convertible Notes, conversion price (in dollars per share) | $ / shares | $ 66.15 |  |  |  |  |  |  |  |  | $ 34.12
Redemption price of principal (as a percent) | 100.00% |  |  |  |  |  |  |  |  |
Ownership of convertible notes (as a percent) | 25.00% |  |  |  |  |  |  |  |  |
Interest expense, contractual coupon interest |  |  |  |  | $ 800,000 |  |  |  |  |
Interest expense, accretion of debt discount |  |  |  |  | 1,400,000 |  |  |  |  |
Interest expense, amortization of debt issuance costs |  |  |  |  | $ 32,000 |  |  |  |  |
Effective interest rate on Convertible Notes (as a percent) |  |  |  |  | 0.70% |  |  |  |  |
Debt issuance costs |  |  |  |  |  | 0 |  | (208,000) |  |
0.25% Convertible Senior Notes | Convertible Debt | Level 2 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of debt |  |  |  |  |  |  |  | 297,600,000 |  |
0.25% Convertible Senior Notes | Convertible Debt | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold trading days | day | 20 |  |  |  |  |  |  |  |  |
Consecutive trading days | day | 30 |  |  |  |  |  |  |  |  |
Conversion price on applicable trading day (as a percent) | 130.00% |  |  |  |  |  |  |  |  |
0.25% Convertible Senior Notes | Convertible Debt | Debt Instrument, Redemption, Period Two |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold trading days | day | 5 |  |  |  |  |  |  |  |  |
Consecutive trading days | day | 5 |  |  |  |  |  |  |  |  |
Principal amount priced to investors (as a percent) | Rate | 98.00% |  |  |  |  |  |  |  |  |
1.25% Convertible Senior Notes | Convertible Debt |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  | 1.25% | 1.25% |  | 1.25% |  |  |  | 1.25% |
Debt instrument, face amount |  | $ 201,300,000 |  |  |  |  |  |  |  |
Discount on principal amount (as a percent) | Rate |  | 97.00% |  |  |  |  |  |  |  |
Discount on shares |  | $ 6,900,000 |  |  |  |  |  |  |  |
Threshold trading days | day |  | 20 |  |  |  |  |  |  |  |
Consecutive trading days | day |  | 30 |  |  |  |  |  |  |  |
Conversion price on applicable trading day (as a percent) |  | 130.00% |  |  |  |  |  |  |  |
Convertible Notes, conversion ratio | Rate |  | 2.75198% |  |  |  |  |  |  |  |
Convertible Notes, conversion price (in dollars per share) | $ / shares |  | $ 36.34 |  |  |  |  |  |  |  | $ 34.12
Redemption price of principal (as a percent) |  | 100.00% |  |  |  |  |  |  |  |
Interest expense, contractual coupon interest |  |  |  |  | $ 2,500,000 | 1,700,000 |  |  |  |
Interest expense, accretion of debt discount |  |  |  |  | 1,200,000 | 4,400,000 |  |  |  |
Interest expense, amortization of debt issuance costs |  |  |  |  | $ 150,000 | 70,000.00 |  |  |  |
Effective interest rate on Convertible Notes (as a percent) |  |  |  |  | 1.96% |  |  |  |  |
Debt issuance costs |  |  |  |  |  | (538,000) |  | (506,000) |  |
1.25% Convertible Senior Notes | Convertible Debt | Level 2 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of debt |  |  |  |  |  | $ 320,900,000 |  | $ 238,900,000 |  |
1.25% Convertible Senior Notes | Convertible Debt | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold trading days | day |  | 20 | 20 | 20 |  |  |  |  |  |
Consecutive trading days | day |  | 30 | 30 | 30 |  |  |  |  |  |
Conversion price on applicable trading day (as a percent) |  | 130.00% | 130.00% | 130.00% |  |  |  |  |  |
1.25% Convertible Senior Notes | Convertible Debt | Debt Instrument, Redemption, Period Two |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold trading days | day |  | 5 |  |  |  |  |  |  |  |
Consecutive trading days | day |  | 5 |  |  |  |  |  |  |  |
Principal amount priced to investors (as a percent) | Rate |  | 98.00% |  |  |  |  |  |  |  |

X
- Definition Capped Call Transactions, Number Of Underlying Shares + References No definition available. + Details
Name: | neo_CappedCallTransactionsNumberOfUnderlyingShares
Namespace Prefix: | neo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Convertible Notes, Aggregate Principle Amount Rate + References No definition available. + Details
Name: | neo_DebtInstrumentConvertibleNotesAggregatePrincipleAmountRate
Namespace Prefix: | neo_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Covenant, Threshold of Default, Percent Of Owners Of Debt + References No definition available. + Details
Name: | neo_DebtInstrumentCovenantThresholdOfDefaultPercentOfOwnersOfDebt
Namespace Prefix: | neo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discounted Price of Aggregate Principle Rate + References No definition available. + Details
Name: | neo_DiscountedPriceOfAggregatePrincipleRate
Namespace Prefix: | neo_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Interest Expense, Debt, Accretion Of Debt Discount + References No definition available. + Details
Name: | neo_InterestExpenseDebtAccretionOfDebtDiscount
Namespace Prefix: | neo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest Expense, Debt, Amortization Of Debt Issuance Costs + References No definition available. + Details
Name: | neo_InterestExpenseDebtAmortizationOfDebtIssuanceCosts
Namespace Prefix: | neo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest Expense, Debt, Contractual Coupon Interest + References No definition available. + Details
Name: | neo_InterestExpenseDebtContractualCouponInterest
Namespace Prefix: | neo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sale of Stock, Premium On Offering Price + References No definition available. + Details
Name: | neo_SaleOfStockPremiumOnOfferingPrice
Namespace Prefix: | neo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sale of Stock, Price Per Share, Public Offering Price + References No definition available. + Details
Name: | neo_SaleOfStockPricePerSharePublicOfferingPrice
Namespace Prefix: | neo_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Discount on common shares, or any unamortized balance thereof, shown separately as a deduction from the applicable account(s) as circumstances require. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.4-07) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187103-122770 + Details
Name: | us-gaap_CommonStockDiscountOnShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031898-161870 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdTradingDays
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromConvertibleDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=neo_CappedCallTransactionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=neo_ZeroPointTwoFivePercentConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=neo_OnePointTwoFivePercentConvertibleSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |