$SLDB
Solid Biosciences Inc.

2024 Q1 Form 10-K Financial Statement

#000095017024030508 Filed on March 13, 2024

View on sec.gov

Income Statement

Concept 2024 Q1 2023 Q4 2023
Revenue $0.00 $0.00
YoY Change -100.0%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin $6.812M $27.75M
YoY Change -10.58% -4.13%
% of Gross Profit
Research & Development $18.87M $15.45M $76.56M
YoY Change -23.38% -27.42% -2.37%
% of Gross Profit
Depreciation & Amortization $327.0K $213.0K $2.581M
YoY Change -53.49% -60.48% 7.18%
% of Gross Profit
Operating Expenses $26.86M $22.27M $104.3M
YoY Change -16.13% -22.98% -8.93%
Operating Profit -$26.86M -$104.3M
YoY Change -16.13% -2.07%
Interest Expense $95.00K $1.659M $7.142M
YoY Change -94.34% -36.58% 173.01%
% of Operating Profit
Other Income/Expense, Net $2.559M $270.0K $1.095M
YoY Change 30.56% -98.61% -94.65%
Pretax Income -$20.34M -$96.02M
YoY Change 34.22% 11.67%
Income Tax $0.00 $0.00
% Of Pretax Income
Net Earnings -$24.30M -$20.34M -$96.02M
YoY Change -19.18% 34.22% 11.67%
Net Earnings / Revenue
Basic Earnings Per Share -$0.64 -$4.83
Diluted Earnings Per Share -$0.64 -$1.01 -$4.83
COMMON SHARES
Basic Shares Outstanding 37.76M 20.18M 19.88M
Diluted Shares Outstanding 38.16M 19.88M

Balance Sheet

Concept 2024 Q1 2023 Q4 2023
SHORT-TERM ASSETS
Cash & Short-Term Investments $206.1M $123.6M $123.6M
YoY Change 11.08% -42.15% -42.15%
Cash & Equivalents $117.6M $74.02M $74.02M
Short-Term Investments $88.49M $49.63M $49.63M
Other Short-Term Assets $8.126M $6.094M $6.094M
YoY Change 59.49% 3.01% 3.01%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets $214.2M $129.7M $129.7M
YoY Change 12.38% -40.93% -40.93%
LONG-TERM ASSETS
Property, Plant & Equipment $6.391M $33.16M $33.16M
YoY Change -25.75% 243.41% -14.1%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $175.0K $2.042M $2.042M
YoY Change -26.47% 1066.86% 1.69%
Total Long-Term Assets $34.50M $35.21M $35.21M
YoY Change -11.51% -13.32% -13.32%
TOTAL ASSETS
Total Short-Term Assets $214.2M $129.7M $129.7M
Total Long-Term Assets $34.50M $35.21M $35.21M
Total Assets $248.7M $164.9M $164.9M
YoY Change 8.32% -36.62% -36.62%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $1.730M $2.032M $2.032M
YoY Change -69.08% -37.25% -37.25%
Accrued Expenses $10.33M $11.99M $11.99M
YoY Change -16.61% -28.15% -35.49%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due $496.0K $469.0K $469.0K
YoY Change 25.25% -29.79% -29.79%
Total Short-Term Liabilities $14.34M $14.52M $14.52M
YoY Change -29.34% -35.5% -35.5%
LONG-TERM LIABILITIES
Long-Term Debt $1.100M $1.234M $1.234M
YoY Change -31.08% -27.54% -27.54%
Other Long-Term Liabilities $22.53M $22.71M $22.71M
YoY Change -5.8% 23553.13% -6.84%
Total Long-Term Liabilities $23.63M $23.94M $23.94M
YoY Change -7.38% 24838.54% -8.19%
TOTAL LIABILITIES
Total Short-Term Liabilities $14.34M $14.52M $14.52M
Total Long-Term Liabilities $23.63M $23.94M $23.94M
Total Liabilities $37.97M $38.46M $38.46M
YoY Change -17.11% -20.85% -20.85%
SHAREHOLDERS EQUITY
Retained Earnings -$683.1M -$658.8M
YoY Change 15.23% 17.06%
Common Stock $893.8M $785.2M
YoY Change 15.09% 1.39%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $210.7M $126.5M $126.5M
YoY Change
Total Liabilities & Shareholders Equity $248.7M $164.9M $164.9M
YoY Change 8.32% -36.62% -36.62%

Cashflow Statement

Concept 2024 Q1 2023 Q4 2023
OPERATING ACTIVITIES
Net Income -$24.30M -$20.34M -$96.02M
YoY Change -19.18% 34.22% 11.67%
Depreciation, Depletion And Amortization $327.0K $213.0K $2.581M
YoY Change -53.49% -60.48% 7.18%
Cash From Operating Activities -$25.20M -$20.82M -$94.18M
YoY Change -9.98% -39.61% -3.88%
INVESTING ACTIVITIES
Capital Expenditures $149.0K $90.00K $1.515M
YoY Change -70.55% -89.49% -49.75%
Acquisitions
YoY Change
Other Investing Activities -$5.000K $45.39M $11.20M
YoY Change -100.01% -32.22% -81.98%
Cash From Investing Activities -$38.49M $45.30M $9.689M
YoY Change -203.3% -31.47% -83.62%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net $2.974M
YoY Change -95.9%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 107.2M 505.0K 3.122M
YoY Change -99.32% -95.83%
NET CHANGE
Cash From Operating Activities -25.20M -20.82M -94.18M
Cash From Investing Activities -38.49M 45.30M 9.689M
Cash From Financing Activities 107.2M 505.0K 3.122M
Net Change In Cash 43.56M 24.98M -81.37M
YoY Change 370.15% -76.51% -325.96%
FREE CASH FLOW
Cash From Operating Activities -$25.20M -$20.82M -$94.18M
Capital Expenditures $149.0K $90.00K $1.515M
Free Cash Flow -$25.35M -$20.91M -$95.70M
YoY Change -11.06% -40.82% -5.24%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2023 dei Entity Central Index Key
EntityCentralIndexKey
0001707502
CY2023 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2023 dei Amendment Flag
AmendmentFlag
false
CY2022Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
CY2023Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
CY2023Q4 us-gaap Preferred Stock Value
PreferredStockValue
CY2022Q4 us-gaap Preferred Stock Value
PreferredStockValue
CY2022 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers In To Level1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersInToLevel1
0
CY2023 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers In To Level1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersInToLevel1
0
CY2023 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel1
0
CY2022 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level1
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel1
0
CY2023 us-gaap Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration
ImpairmentLongLivedAssetHeldForUseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#OtherNonoperatingIncomeExpense
CY2022 us-gaap Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration
ImpairmentLongLivedAssetHeldForUseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#OtherNonoperatingIncomeExpense
CY2021 us-gaap Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration
ImpairmentLongLivedAssetHeldForUseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
http://fasb.org/us-gaap/2023#OtherNonoperatingIncomeExpense
CY2023 dei Document Type
DocumentType
10-K
CY2023 dei Document Annual Report
DocumentAnnualReport
true
CY2023 dei Document Period End Date
DocumentPeriodEndDate
2023-12-31
CY2023 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2023 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2023
CY2023 dei Document Transition Report
DocumentTransitionReport
false
CY2023 dei Entity File Number
EntityFileNumber
001-38360
CY2023 dei Entity Registrant Name
EntityRegistrantName
Solid Biosciences Inc.
CY2023 dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
DE
CY2023 dei Entity Tax Identification Number
EntityTaxIdentificationNumber
90-0943402
CY2023 dei Entity Address Address Line1
EntityAddressAddressLine1
500 Rutherford Avenue, Third Floor
CY2023 dei Entity Address City Or Town
EntityAddressCityOrTown
Charlestown
CY2023 dei Entity Address State Or Province
EntityAddressStateOrProvince
MA
CY2023 dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
02129
CY2023 dei City Area Code
CityAreaCode
617
CY2023 dei Local Phone Number
LocalPhoneNumber
337-4680
CY2023 dei Security12b Title
Security12bTitle
Common Stock $0.001 par value per share
CY2023 dei Trading Symbol
TradingSymbol
SLDB
CY2023 dei Security Exchange Name
SecurityExchangeName
NASDAQ
CY2023 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
No
CY2023 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2023 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2023 dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
CY2023 dei Entity Filer Category
EntityFilerCategory
Non-accelerated Filer
CY2023 dei Entity Small Business
EntitySmallBusiness
true
CY2022Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
14000
CY2023Q4 us-gaap Liabilities Current
LiabilitiesCurrent
14517000
CY2022Q4 us-gaap Liabilities Current
LiabilitiesCurrent
22508000
CY2023 dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
CY2023 dei Icfr Auditor Attestation Flag
IcfrAuditorAttestationFlag
false
CY2023 dei Document Fin Stmt Error Correction Flag
DocumentFinStmtErrorCorrectionFlag
false
CY2023 dei Entity Shell Company
EntityShellCompany
false
CY2023Q2 dei Entity Public Float
EntityPublicFloat
51500000
CY2024Q1 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
37756877
CY2023Q4 ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
CY2023Q4 ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
CY2023Q4 ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false
CY2023Q4 ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false
CY2023 dei Auditor Firm
AuditorFirmId
238
CY2023 dei Auditor Name
AuditorName
PricewaterhouseCoopers LLP
CY2023 dei Auditor Location
AuditorLocation
Boston, Massachusetts
CY2023Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
74015000
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
155384000
CY2023Q4 us-gaap Available For Sale Securities Debt Securities Current
AvailableForSaleSecuritiesDebtSecuritiesCurrent
49625000
CY2022Q4 us-gaap Available For Sale Securities Debt Securities Current
AvailableForSaleSecuritiesDebtSecuritiesCurrent
58338000
CY2023Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
6094000
CY2022Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
5916000
CY2023Q4 us-gaap Assets Current
AssetsCurrent
129734000
CY2022Q4 us-gaap Assets Current
AssetsCurrent
219638000
CY2023Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
26539000
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
28949000
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
6624000
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
9657000
CY2023Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
209000
CY2022Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
175000
CY2023Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
1833000
CY2022Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
1833000
CY2023Q4 us-gaap Assets
Assets
164939000
CY2022Q4 us-gaap Assets
Assets
260252000
CY2023Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
2032000
CY2022Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
3238000
CY2023Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
10137000
CY2022Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
16691000
CY2023Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1855000
CY2022Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1897000
CY2023Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
469000
CY2022Q4 us-gaap Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
668000
CY2023Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
24000
CY2023Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
22707000
CY2022Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
24279000
CY2023Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
1234000
CY2022Q4 us-gaap Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
1703000
CY2022Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
96000
CY2023Q4 us-gaap Liabilities
Liabilities
38458000
CY2022Q4 us-gaap Liabilities
Liabilities
48586000
CY2023Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.001
CY2022Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.001
CY2023Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
10000000
CY2022Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
10000000
CY2023Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0
CY2022Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0
CY2023Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2022Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2023Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.001
CY2022Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.001
CY2023Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
60000000
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
60000000
CY2023Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
20386606
CY2023Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
20386606
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
19556732
CY2022Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
19556732
CY2023Q4 us-gaap Common Stock Value
CommonStockValue
20000
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
20000
CY2023Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
785199000
CY2022Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
774452000
CY2023Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
15000
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-68000
CY2023Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-658753000
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-562738000
CY2023Q4 us-gaap Stockholders Equity
StockholdersEquity
126481000
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
211666000
CY2023Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
164939000
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
260252000
CY2023 us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
76563000
CY2022 us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
78420000
CY2021 us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
58739000
CY2023 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
27752000
CY2022 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
28948000
CY2021 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
27135000
CY2023 us-gaap Restructuring Charges
RestructuringCharges
-63000
CY2022 us-gaap Restructuring Charges
RestructuringCharges
7178000
CY2023 us-gaap Operating Expenses
OperatingExpenses
104252000
CY2022 us-gaap Operating Expenses
OperatingExpenses
114546000
CY2021 us-gaap Operating Expenses
OperatingExpenses
85874000
CY2023 us-gaap Operating Income Loss
OperatingIncomeLoss
-104252000
CY2022 us-gaap Operating Income Loss
OperatingIncomeLoss
-106452000
CY2021 us-gaap Operating Income Loss
OperatingIncomeLoss
-72254000
CY2023 us-gaap Investment Income Interest
InvestmentIncomeInterest
7142000
CY2022 us-gaap Investment Income Interest
InvestmentIncomeInterest
2616000
CY2021 us-gaap Investment Income Interest
InvestmentIncomeInterest
64000
CY2022 sldb Gain Loss On Acquisition Of Business
GainLossOnAcquisitionOfBusiness
18236000
CY2023 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
1095000
CY2022 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-381000
CY2021 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
2000
CY2023 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
8237000
CY2022 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
20471000
CY2021 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
66000
CY2023 us-gaap Profit Loss
ProfitLoss
-96015000
CY2022 us-gaap Profit Loss
ProfitLoss
-85981000
CY2021 us-gaap Profit Loss
ProfitLoss
-72188000
CY2023 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-4.83
CY2023 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-4.83
CY2022 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-10.1
CY2022 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-10.1
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-10.14
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-10.14
CY2023 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
19884007
CY2023 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
19884007
CY2022 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
8512089
CY2022 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
8512089
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
7118024
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
7118024
CY2023 us-gaap Profit Loss
ProfitLoss
-96015000
CY2022 us-gaap Profit Loss
ProfitLoss
-85981000
CY2021 us-gaap Profit Loss
ProfitLoss
-72188000
CY2023 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
83000
CY2022 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-23000
CY2021 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-45000
CY2023 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-95932000
CY2022 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-86004000
CY2021 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-72233000
CY2020Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
132086000
CY2021 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
13373000
CY2021 us-gaap Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
8872000
CY2021 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
134878000
CY2021 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
41000
CY2021 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
66000
CY2021 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-45000
CY2021 us-gaap Profit Loss
ProfitLoss
-72188000
CY2021Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
208211000
CY2022 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
7537000
CY2022 us-gaap Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
2449000
CY2022 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
72551000
CY2022 sldb Pre Funded Warrants Exercise During Period Value
PreFundedWarrantsExerciseDuringPeriodValue
22000
CY2022 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
181000
CY2022 us-gaap Stock Issued During Period Value Acquisitions
StockIssuedDuringPeriodValueAcquisitions
9168000
CY2022 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
-23000
CY2022 us-gaap Profit Loss
ProfitLoss
-85981000
CY2022Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
211666000
CY2023 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
7625000
CY2023 us-gaap Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
76000
CY2023 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
2974000
CY2023 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
148000
CY2023 us-gaap Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
83000
CY2023 us-gaap Profit Loss
ProfitLoss
-96015000
CY2023Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
126481000
CY2023 us-gaap Profit Loss
ProfitLoss
-96015000
CY2022 us-gaap Profit Loss
ProfitLoss
-85981000
CY2021 us-gaap Profit Loss
ProfitLoss
-72188000
CY2023 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
2408000
CY2022 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-233000
CY2021 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1117000
CY2023 us-gaap Share Based Compensation
ShareBasedCompensation
7625000
CY2022 us-gaap Share Based Compensation
ShareBasedCompensation
7537000
CY2021 us-gaap Share Based Compensation
ShareBasedCompensation
13373000
CY2023 us-gaap Depreciation And Amortization
DepreciationAndAmortization
2581000
CY2022 us-gaap Depreciation And Amortization
DepreciationAndAmortization
2408000
CY2021 us-gaap Depreciation And Amortization
DepreciationAndAmortization
2964000
CY2023 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-374000
CY2021 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-92000
CY2022 us-gaap Gain Loss On Termination Of Lease
GainLossOnTerminationOfLease
249000
CY2021 us-gaap Gain Loss On Termination Of Lease
GainLossOnTerminationOfLease
81000
CY2022 sldb Gain Loss On Acquisition Of Business
GainLossOnAcquisitionOfBusiness
18236000
CY2023 us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
-3436000
CY2022 us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
-3695000
CY2021 us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
9247000
CY2022 us-gaap Increase Decrease In Accounts Receivable Related Parties
IncreaseDecreaseInAccountsReceivableRelatedParties
-110000
CY2021 us-gaap Increase Decrease In Accounts Receivable Related Parties
IncreaseDecreaseInAccountsReceivableRelatedParties
110000
CY2023 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-764000
CY2022 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-5246000
CY2021 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
1209000
CY2023 us-gaap Increase Decrease In Accrued Liabilities And Other Operating Liabilities
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
-9009000
CY2022 us-gaap Increase Decrease In Accrued Liabilities And Other Operating Liabilities
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
5832000
CY2021 us-gaap Increase Decrease In Accrued Liabilities And Other Operating Liabilities
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
-2255000
CY2022 us-gaap Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
-8080000
CY2021 us-gaap Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
-12638000
CY2023 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-94180000
CY2022 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-97977000
CY2021 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-77764000
CY2023 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
1515000
CY2022 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
3015000
CY2021 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
1281000
CY2022 sldb Proceeds From Acquisition Of Business
ProceedsFromAcquisitionOfBusiness
31523000
CY2022 us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
600000
CY2023 us-gaap Payments For Proceeds From Availableforsale Securities Shortterm
PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm
-128632000
CY2022 us-gaap Payments For Proceeds From Availableforsale Securities Shortterm
PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm
-212811000
CY2021 us-gaap Payments For Proceeds From Availableforsale Securities Shortterm
PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm
-51444000
CY2023 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
117428000
CY2022 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
182762000
CY2021 us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
141249000
CY2023 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
9689000
CY2022 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
59157000
CY2021 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-91086000
CY2023 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
2974000
CY2022 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
72551000
CY2021 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
134878000
CY2022 sldb Proceeds From Sale And Lease Back Transactions
ProceedsFromSaleAndLeaseBackTransactions
2143000
CY2021 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
41000
CY2022 us-gaap Proceeds From Warrant Exercises
ProceedsFromWarrantExercises
22000
CY2023 sldb Employee Stock Purchases And Withholdings
EmployeeStockPurchasesAndWithholdings
148000
CY2022 sldb Employee Stock Purchases And Withholdings
EmployeeStockPurchasesAndWithholdings
181000
CY2021 sldb Employee Stock Purchases And Withholdings
EmployeeStockPurchasesAndWithholdings
66000
CY2022 sldb Repayment Of Financing Lease Liabilities
RepaymentOfFinancingLeaseLiabilities
66000
CY2023 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
3122000
CY2022 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
74831000
CY2021 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
134985000
CY2023 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-81369000
CY2022 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
36011000
CY2021 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-33865000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
157217000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
121206000
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
155071000
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
75848000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
157217000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
121206000
CY2022 us-gaap Stock Issued1
StockIssued1
9168000
CY2023 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
410000
CY2022 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
29126000
CY2023 sldb Increase Decrease In Right Of Use Asset And Lease Liability Due To Lease Termination
IncreaseDecreaseInRightOfUseAssetAndLeaseLiabilityDueToLeaseTermination
-252000
CY2022 sldb Increase Decrease In Right Of Use Asset And Lease Liability Due To Lease Termination
IncreaseDecreaseInRightOfUseAssetAndLeaseLiabilityDueToLeaseTermination
-464000
CY2021 sldb Increase Decrease In Right Of Use Asset And Lease Liability Due To Lease Termination
IncreaseDecreaseInRightOfUseAssetAndLeaseLiabilityDueToLeaseTermination
-1233000
CY2023 sldb Increase Decrease In Property Plant And Equipment Due To Asset Exchange
IncreaseDecreaseInPropertyPlantAndEquipmentDueToAssetExchange
-950000
CY2023 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
76000
CY2022 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
527000
CY2021 us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
104000
CY2022Q4 us-gaap Stockholders Equity Reverse Stock Split
StockholdersEquityReverseStockSplit
one-for-15
CY2022Q4 us-gaap Stockholders Equity Note Stock Split Conversion Ratio1
StockholdersEquityNoteStockSplitConversionRatio1
0.015
CY2022Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
300000000
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
20000000
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
60000000
CY2023Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-658753000
CY2023 us-gaap Profit Loss
ProfitLoss
-96015000
CY2022 us-gaap Profit Loss
ProfitLoss
-85981000
CY2021 us-gaap Profit Loss
ProfitLoss
-72188000
CY2023 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-94180000
CY2023Q4 us-gaap Cash Cash Equivalents And Short Term Investments
CashCashEquivalentsAndShortTermInvestments
123640000
CY2023Q4 us-gaap Restricted Cash
RestrictedCash
1833000
CY2023 us-gaap Use Of Estimates
UseOfEstimates
<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Use of Estimates</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The preparation of the Company’s consolidated financial statements in conformity with GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Significant estimates and assumptions reflected in these consolidated financial statements include, but are not limited to, estimates related to revenue recognition, the recognition of research and development expenses and equity-based compensation. Estimates are periodically reviewed in light of changes in circumstances, facts and experience. Changes in estimates are recorded in the period in which they become known. Actual results could differ from the Company’s estimates.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
CY2023Q4 us-gaap Deposit Assets
DepositAssets
1833000
CY2022Q4 us-gaap Deposit Assets
DepositAssets
1833000
CY2023Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
1833000
CY2022Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
1833000
CY2023Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
74015000
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
155384000
CY2021Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
119136000
CY2023Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
1833000
CY2022Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
1833000
CY2021Q4 us-gaap Restricted Cash Noncurrent
RestrictedCashNoncurrent
2070000
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
75848000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
157217000
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
121206000
CY2023 us-gaap Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
<p style="font-size:10pt;margin-top:18pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Concentration of Credit Risk and of Significant Suppliers</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash, cash equivalents and available-for-sale securities. Periodically, the Company maintains deposits in accredited financial institutions in excess of federally insured limits. The Company maintains each of its cash, cash equivalents and available-for-sale securities balances with high-quality and accredited financial institutions and accordingly, such funds are not exposed to significant credit risk. The Company does not believe that it is subject to unusual credit risk beyond the normal credit risk associated with commercial banking relationships.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The Company is dependent on third-party manufacturers to supply products for research and development activities of its programs, including clinical and preclinical testing. These programs could be adversely affected by a significant interruption in the supply of such drug substance products.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> </span></p>
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
CY2023Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0
CY2022Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0
CY2023Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2022Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2021Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0
CY2021Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
CY2023Q4 us-gaap Cash Equivalents At Carrying Value
CashEquivalentsAtCarryingValue
62398000
CY2023Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
49625000
CY2023Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
112023000
CY2022Q4 us-gaap Cash Equivalents At Carrying Value
CashEquivalentsAtCarryingValue
69374000
CY2022Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
58338000
CY2022Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
127712000
CY2023 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level2
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel2
0
CY2023 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
0
CY2022 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
0
CY2022 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
0
CY2022 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers In To Level2
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersInToLevel2
0
CY2023 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers In To Level2
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersInToLevel2
0
CY2023 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
0
CY2022 sldb Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level2
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel2
0
CY2023Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
49610000
CY2023Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
15000
CY2023Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
49625000
CY2022Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
58406000
CY2022Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
68000
CY2022Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
58338000
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
49610000
CY2023Q4 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
49625000
CY2023Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
49610000
CY2023Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
49625000
CY2022Q4 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis
58406000
CY2022Q4 us-gaap Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value
AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
58338000
CY2022Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
58406000
CY2022Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
58338000
CY2023 sldb Available For Sale Securities Weighted Average Maturity Period
AvailableForSaleSecuritiesWeightedAverageMaturityPeriod
P0Y4M24D
CY2022 sldb Available For Sale Securities Weighted Average Maturity Period
AvailableForSaleSecuritiesWeightedAverageMaturityPeriod
P0Y6M
CY2023Q4 sldb Prepaid Research And Development Expenses Current
PrepaidResearchAndDevelopmentExpensesCurrent
3980000
CY2022Q4 sldb Prepaid Research And Development Expenses Current
PrepaidResearchAndDevelopmentExpensesCurrent
2913000
CY2023Q4 sldb Prepaid Expense And Other Assets Miscellaneous Current
PrepaidExpenseAndOtherAssetsMiscellaneousCurrent
2114000
CY2022Q4 sldb Prepaid Expense And Other Assets Miscellaneous Current
PrepaidExpenseAndOtherAssetsMiscellaneousCurrent
3003000
CY2023Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
6094000
CY2022Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
5916000
CY2023Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
19359000
CY2022Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
20613000
CY2023Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
12735000
CY2022Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
10956000
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
6624000
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
9657000
CY2023 us-gaap Depreciation
Depreciation
2581000
CY2022 us-gaap Depreciation
Depreciation
2408000
CY2021 us-gaap Depreciation
Depreciation
2964000
CY2023 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
374000
CY2022 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
0
CY2021 us-gaap Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
92000
CY2023Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
10137000
CY2022Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
16691000
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
1433968
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
36.22
CY2022 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P8Y10M17D
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
1141449
CY2023 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
5.38
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
54941
CY2023 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
81.84
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
260804
CY2023 us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
15.07
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
2259672
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
21.93
CY2023 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P8Y2M12D
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
2259672
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
21.93
CY2023 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
P8Y2M12D
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
616133
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
57.99
CY2023 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P7Y8M8D
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
1.218
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
1.296
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
1.185
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
1.303
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
1.155
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
1.239
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
0
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
0.035
CY2023 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
0.049
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
0.014
CY2022 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
0.039
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
0.004
CY2021 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
0.014
CY2023 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
7625000
CY2022 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
7537000
CY2021 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
13373000
CY2022 sldb Proceeds From Sale And Lease Back Transactions
ProceedsFromSaleAndLeaseBackTransactions
2143000
CY2023Q4 us-gaap Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
810000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
4396000
CY2023Q4 us-gaap Finance Lease Liability Payments Due Year Two
FinanceLeaseLiabilityPaymentsDueYearTwo
651000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
4110000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
4123000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
4239000
CY2023Q4 sldb Lessee Operating Lease Liability To Be Paid After Year Four
LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
21482000
CY2023Q4 us-gaap Finance Lease Liability Payments Due
FinanceLeaseLiabilityPaymentsDue
1461000
CY2023Q4 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
38350000
CY2023Q4 us-gaap Finance Lease Liability Undiscounted Excess Amount
FinanceLeaseLiabilityUndiscountedExcessAmount
242000
CY2023Q4 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
13788000
CY2023Q4 sldb Finance Liabilities And Finance Lease Sale And Lease Back Liabilities Current And Noncurrent
FinanceLiabilitiesAndFinanceLeaseSaleAndLeaseBackLiabilitiesCurrentAndNoncurrent
1703000
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
24562000
CY2023 us-gaap Lease Cost
LeaseCost
5255000
CY2022 us-gaap Lease Cost
LeaseCost
3881000
CY2021 us-gaap Lease Cost
LeaseCost
2568000
CY2023 sldb Operating And Finance Lease Payments
OperatingAndFinanceLeasePayments
5310000
CY2022 sldb Operating And Finance Lease Payments
OperatingAndFinanceLeasePayments
2840000
CY2021 sldb Operating And Finance Lease Payments
OperatingAndFinanceLeasePayments
2408000
CY2023 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
410000
CY2022 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
29126000
CY2021 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
310000
CY2023Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P8Y6M
CY2022Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P9Y3M18D
CY2021Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P1Y
CY2023Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P1Y9M18D
CY2022Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P2Y6M
CY2021Q4 us-gaap Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
P2Y3M18D
CY2023Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.107
CY2022Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.106
CY2021Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.119
CY2023Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.228
CY2022Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.213
CY2021Q4 us-gaap Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
0.107
CY2020 sldb License Agreement Termination Expiration Term For Licensed Product
LicenseAgreementTerminationExpirationTermForLicensedProduct
P10Y
CY2020 sldb License Agreement Termination Expiration Term
LicenseAgreementTerminationExpirationTerm
P5Y
CY2023 us-gaap Profit Loss
ProfitLoss
-96015000
CY2022 us-gaap Profit Loss
ProfitLoss
-85981000
CY2021 us-gaap Profit Loss
ProfitLoss
-72188000
CY2023 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
19884007
CY2023 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
19884007
CY2022 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
8512089
CY2022 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
8512089
CY2021 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
7118024
CY2021 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
7118024
CY2023 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-4.83
CY2023 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-4.83
CY2022 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-10.1
CY2022 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-10.1
CY2021 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-10.14
CY2021 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-10.14
CY2023Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
16622000
CY2023 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
3136853
CY2022 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
1946525
CY2021 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
434821
CY2023 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
CY2022 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
CY2023 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2022 us-gaap Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
0.210
CY2023 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.066
CY2022 us-gaap Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
0.074
CY2023 sldb Effective Income Tax Rate Reconciliation Permanent Differences
EffectiveIncomeTaxRateReconciliationPermanentDifferences
-0.005
CY2022 sldb Effective Income Tax Rate Reconciliation Permanent Differences
EffectiveIncomeTaxRateReconciliationPermanentDifferences
-0.014
CY2023 sldb Effective Income Tax Rate Reconciliation Bargain Purchases Gain
EffectiveIncomeTaxRateReconciliationBargainPurchasesGain
0
CY2022 sldb Effective Income Tax Rate Reconciliation Bargain Purchases Gain
EffectiveIncomeTaxRateReconciliationBargainPurchasesGain
0.045
CY2023 us-gaap Effective Income Tax Rate Reconciliation Tax Credits
EffectiveIncomeTaxRateReconciliationTaxCredits
0.070
CY2022 us-gaap Effective Income Tax Rate Reconciliation Tax Credits
EffectiveIncomeTaxRateReconciliationTaxCredits
0.115
CY2023 sldb Effective Income Tax Rate Reconciliation Change In Deferred Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxRate
0.002
CY2022 sldb Effective Income Tax Rate Reconciliation Change In Deferred Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxRate
0.001
CY2023 sldb Effective Income Tax Rate Reconciliation Share Based Compensation Cancelations Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationCancelationsPercent
-0.010
CY2022 sldb Effective Income Tax Rate Reconciliation Share Based Compensation Cancelations Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationCancelationsPercent
-0.019
CY2023 sldb Effective Income Tax Rate Reconciliation Impact Of Change In Ownership
EffectiveIncomeTaxRateReconciliationImpactOfChangeInOwnership
-1.085
CY2022 sldb Effective Income Tax Rate Reconciliation Impact Of Change In Ownership
EffectiveIncomeTaxRateReconciliationImpactOfChangeInOwnership
0
CY2023 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
0.004
CY2022 us-gaap Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
-0.006
CY2023 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
0.748
CY2022 us-gaap Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
-0.406
CY2023 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.000
CY2022 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.000
CY2022Q4 us-gaap Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
70965000
CY2023Q4 us-gaap Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
7537000
CY2022Q4 us-gaap Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
46786000
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense
DeferredTaxAssetsTaxDeferredExpense
6755000
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense
DeferredTaxAssetsTaxDeferredExpense
7174000
CY2023Q4 sldb Deferred Tax Assets Tax Deferred Accrued Expense
DeferredTaxAssetsTaxDeferredAccruedExpense
1506000
CY2022Q4 sldb Deferred Tax Assets Tax Deferred Accrued Expense
DeferredTaxAssetsTaxDeferredAccruedExpense
1901000
CY2023Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
8496000
CY2022Q4 us-gaap Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
7839000
CY2023Q4 us-gaap Deferred Tax Assets Goodwill And Intangible Assets
DeferredTaxAssetsGoodwillAndIntangibleAssets
57336000
CY2022Q4 us-gaap Deferred Tax Assets Goodwill And Intangible Assets
DeferredTaxAssetsGoodwillAndIntangibleAssets
36553000
CY2023Q4 sldb Deferred Tax Assets Tax Depreciation
DeferredTaxAssetsTaxDepreciation
672000
CY2022Q4 sldb Deferred Tax Assets Tax Depreciation
DeferredTaxAssetsTaxDepreciation
116000
CY2023Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
80000
CY2022Q4 us-gaap Deferred Tax Assets Other
DeferredTaxAssetsOther
166000
CY2023Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
99004000
CY2022Q4 us-gaap Deferred Tax Assets Gross
DeferredTaxAssetsGross
171500000
CY2023Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
91705000
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
163566000
CY2023Q4 sldb Deferred Tax Liabilities Right Of Use Asset
DeferredTaxLiabilitiesRightOfUseAsset
7299000
CY2022Q4 sldb Deferred Tax Liabilities Right Of Use Asset
DeferredTaxLiabilitiesRightOfUseAsset
7934000
CY2023Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
7299000
CY2022Q4 us-gaap Deferred Tax Liabilities
DeferredTaxLiabilities
7934000
CY2023Q4 us-gaap Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
0
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
163566000
CY2021Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
128570000
CY2023 us-gaap Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
-71861000
CY2022 us-gaap Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
34996000
CY2023Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
91705000
CY2022Q4 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
163566000
CY2023Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
0
CY2022Q4 us-gaap Unrecognized Tax Benefits
UnrecognizedTaxBenefits
0
CY2023 us-gaap Income Tax Examination Penalties And Interest Expense
IncomeTaxExaminationPenaltiesAndInterestExpense
0
CY2022 us-gaap Income Tax Examination Penalties And Interest Expense
IncomeTaxExaminationPenaltiesAndInterestExpense
0
CY2023 us-gaap Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
626000
CY2022 us-gaap Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
527000
CY2021 us-gaap Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
241000

Files In Submission

Name View Source Status
0000950170-24-030508-index-headers.html Edgar Link pending
0000950170-24-030508-index.html Edgar Link pending
0000950170-24-030508.txt Edgar Link pending
0000950170-24-030508-xbrl.zip Edgar Link pending
Financial_Report.xlsx Edgar Link pending
img245774900_0.jpg Edgar Link pending
MetaLinks.json Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R73.htm Edgar Link pending
R74.htm Edgar Link pending
R75.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
sldb-20231231.htm Edgar Link pending
sldb-20231231.xsd Edgar Link pending
sldb-ex10_15.htm Edgar Link pending
sldb-ex10_27.htm Edgar Link pending
sldb-ex10_30.htm Edgar Link pending
sldb-ex10_49.htm Edgar Link pending
sldb-ex10_50.htm Edgar Link pending
sldb-ex10_51.htm Edgar Link pending
sldb-ex10_52.htm Edgar Link pending
sldb-ex10_53.htm Edgar Link pending
sldb-ex10_54.htm Edgar Link pending
sldb-ex10_55.htm Edgar Link pending
sldb-ex10_56.htm Edgar Link pending
sldb-ex10_7.htm Edgar Link pending
sldb-ex10_8.htm Edgar Link pending
sldb-ex21_1.htm Edgar Link pending
sldb-ex23_1.htm Edgar Link pending
sldb-ex31_1.htm Edgar Link pending
sldb-ex31_2.htm Edgar Link pending
sldb-ex32_1.htm Edgar Link pending
sldb-ex32_2.htm Edgar Link pending
sldb-ex97_1.htm Edgar Link pending
sldb-20231231_htm.xml Edgar Link completed