$HRBR
HARBOR DIVERSIFIED, INC. Stock $hrbr

$hrbr Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-Q Financial Statement

#000119312521163839 Filed on May 17, 2021

Income Statement

Concept	2021 Q1	2020 Q4	2020 Q1
Revenue	$49.77M	$74.78M	$67.08M
YoY Change	-25.8%		9.0%
Cost Of Revenue	$14.26M	$13.92M	$23.44M
YoY Change	-39.17%
Gross Profit	$35.52M	$60.86M	$43.64M
YoY Change	-18.62%
Gross Profit Margin	71.35%	81.39%	65.06%
Selling, General & Admin	$23.67M	$22.94M	$33.13M
YoY Change	-28.56%
% of Gross Profit	66.65%	37.69%	75.93%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$6.500M	$6.669M	$6.941M
YoY Change	-6.35%		21.11%
% of Gross Profit	18.3%	10.96%	15.91%
Operating Expenses	$16.52M	$29.61M	$63.52M
YoY Change	-74.0%		-4.22%
Operating Profit	$33.26M	$31.25M	$3.564M
YoY Change	833.14%		-174.67%
Interest Expense	$362.0K	-$58.00K	$428.0K
YoY Change	-15.42%		14.13%
% of Operating Profit	1.09%	-0.19%	12.01%
Other Income/Expense, Net	-$49.00K	$0.00	-$222.0K
YoY Change	-77.93%		-111.73%
Pretax Income	$33.21M	$39.35M	$3.342M
YoY Change	893.66%		-216.04%
Income Tax	$7.983M	$3.562M	-$1.072M
% Of Pretax Income	24.04%	9.05%	-32.08%
Net Earnings	$25.23M	$35.78M	$4.414M
YoY Change	471.48%		-243.13%
Net Earnings / Revenue	50.68%	47.85%	6.58%
Basic Earnings Per Share	$0.46		$0.08
Diluted Earnings Per Share	$0.35	$497.5K	$0.06
COMMON SHARES
Basic Shares Outstanding	54.86M	54.86M	54.86M
Diluted Shares Outstanding	71.66M		68.99M

Balance Sheet

Concept	2021 Q1	2020 Q4	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$144.0M	$130.4M	$78.34M
YoY Change	83.82%
Cash & Equivalents	$124.1M	$130.4M	$78.34M
Short-Term Investments	$19.94M
Other Short-Term Assets	$4.501M	$3.563M	$2.653M
YoY Change	69.66%
Inventory	$5.546M	$5.937M	$7.703M
Prepaid Expenses	$3.222M	$2.310M	$1.433M
Receivables	$22.17M	$7.977M	$4.451M
Other Receivables	$3.026M	$0.00	$0.00
Total Short-Term Assets	$179.2M	$147.9M	$93.15M
YoY Change	92.43%	73.9%
LONG-TERM ASSETS
Property, Plant & Equipment	$143.0M	$149.4M	$163.0M
YoY Change	-12.31%	-1.22%
Goodwill
YoY Change
Intangibles	$5.300M	$5.300M	$5.300M
YoY Change	0.0%	0.0%
Long-Term Investments	$4.275M	$4.275M	$4.275M
YoY Change	0.0%
Other Assets	$68.61M	$53.21M	$32.06M
YoY Change	113.99%	46.29%
Total Long-Term Assets	$211.6M	$202.6M	$195.1M
YoY Change	8.45%	7.99%
TOTAL ASSETS
Total Short-Term Assets	$179.2M	$147.9M	$93.15M
Total Long-Term Assets	$211.6M	$202.6M	$195.1M
Total Assets	$390.8M	$350.5M	$288.2M
YoY Change	35.59%	28.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$12.38M	$11.77M	$17.87M
YoY Change	-30.72%	-29.11%
Accrued Expenses	$17.64M	$16.47M	$21.88M
YoY Change	-19.41%
Deferred Revenue	$26.37M	$18.44M	$7.100M
YoY Change	271.34%	121.09%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$28.22M	$23.65M	$13.55M
YoY Change	108.33%	84.13%
Total Short-Term Liabilities	$85.47M	$70.44M	$60.59M
YoY Change	41.06%	17.17%
LONG-TERM LIABILITIES
Long-Term Debt	$88.92M	$94.19M	$107.1M
YoY Change	-17.0%	-12.66%
Other Long-Term Liabilities	$2.798M	$2.774M	$1.646M
YoY Change	69.99%	67.61%
Total Long-Term Liabilities	$150.6M	$150.3M	$132.5M
YoY Change	13.65%	11.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$85.47M	$70.44M	$60.59M
Total Long-Term Liabilities	$150.6M	$150.3M	$132.5M
Total Liabilities	$236.1M	$220.7M	$193.1M
YoY Change	22.25%	13.13%
SHAREHOLDERS EQUITY
Retained Earnings	-$146.5M	-$171.8M	-$207.1M
YoY Change	-29.25%	-18.8%
Common Stock	$555.0K	$555.0K	$555.0K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$481.0K	$481.0K	$481.0K
YoY Change	0.0%	0.0%
Treasury Stock Shares			$617.8K
Shareholders Equity	$141.6M	$116.5M	$81.77M
YoY Change
Total Liabilities & Shareholders Equity	$390.8M	$350.5M	$288.2M
YoY Change	35.59%	28.54%

Cashflow Statement

Concept	2021 Q1	2020 Q4	2020 Q1
OPERATING ACTIVITIES
Net Income	$25.23M	$35.78M	$4.414M
YoY Change	471.48%		-243.13%
Depreciation, Depletion And Amortization	$6.500M	$6.669M	$6.941M
YoY Change	-6.35%		21.11%
Cash From Operating Activities	$14.75M	$13.88M	$11.81M
YoY Change	24.91%		31.68%
INVESTING ACTIVITIES
Capital Expenditures	$163.0K	$418.0K	$2.918M
YoY Change	-94.41%		-75.55%
Acquisitions
YoY Change
Other Investing Activities	-$20.00M	$9.000K	$1.000K
YoY Change	-1999700.0%
Cash From Investing Activities	-$20.16M	$427.0K	-$2.916M
YoY Change	591.32%		-75.56%
FINANCING ACTIVITIES
Cash Dividend Paid	$198.0K		$0.00
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$700.0K		$0.00
YoY Change
Cash From Financing Activities	-898.0K	-4.498M	0.000
YoY Change
NET CHANGE
Cash From Operating Activities	14.75M	13.88M	11.81M
Cash From Investing Activities	-20.16M	427.0K	-2.916M
Cash From Financing Activities	-898.0K	-4.498M	0.000
Net Change In Cash	-6.311M	9.813M	8.889M
YoY Change	-171.0%		-399.6%
FREE CASH FLOW
Cash From Operating Activities	$14.75M	$13.88M	$11.81M
Capital Expenditures	$163.0K	$418.0K	$2.918M
Free Cash Flow	$14.58M	$13.47M	$8.887M
YoY Change	64.09%		-399.02%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	124062000
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	130373000
CY2021Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	820000
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	820000
CY2021Q1	us-gaap	Receivables Net Current ReceivablesNetCurrent	22170000
CY2020Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	7977000
CY2021Q1	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	5546000
CY2020Q4	us-gaap	Airline Related Inventory Net AirlineRelatedInventoryNet	5937000
CY2021Q1	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	459000
CY2020Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	433000
CY2021Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	3222000
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2310000
CY2021Q1	us-gaap	Assets Current AssetsCurrent	179248000
CY2020Q4	us-gaap	Assets Current AssetsCurrent	147850000
CY2021Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	390816000
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8582000
CY2021Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5300000
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	16502000
CY2020Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	150286000
CY2021Q1	us-gaap	Capitalized Contract Cost Net Noncurrent CapitalizedContractCostNetNoncurrent	469000
CY2021Q1	hrbr	Flight Property And Equipment Gross FlightPropertyAndEquipmentGross	258966000
CY2020Q4	hrbr	Flight Property And Equipment Gross FlightPropertyAndEquipmentGross	258981000
CY2021Q1	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	8086000
CY2020Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	8127000
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54863000
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	350453000
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	54863000
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71662000
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68989000
CY2021Q1	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	22751000
CY2020Q1	us-gaap	Professional And Contract Services Expense ProfessionalAndContractServicesExpense	31626000
CY2021Q1	us-gaap	Fuel Costs Gross Of Hedging FuelCostsGrossOfHedging	13000
CY2020Q1	us-gaap	Fuel Costs Gross Of Hedging FuelCostsGrossOfHedging	31000
CY2021Q1	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	8454000
CY2020Q1	us-gaap	Aircraft Maintenance Materials And Repairs AircraftMaintenanceMaterialsAndRepairs	14011000
CY2021Q1	hrbr	Aircraft Rentals Expense AircraftRentalsExpense	23000
CY2020Q1	hrbr	Aircraft Rentals Expense AircraftRentalsExpense	3352000
CY2021Q1	hrbr	Other Rental Expenses OtherRentalExpenses	922000
CY2020Q1	hrbr	Other Rental Expenses OtherRentalExpenses	1509000
CY2021Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6500000
CY2020Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6941000
CY2021Q1	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	5768000
CY2020Q1	us-gaap	Airline Capacity Purchase Arrangements AirlineCapacityPurchaseArrangements	6045000
CY2021Q1	us-gaap	Operating Expenses OperatingExpenses	16517000
CY2020Q1	us-gaap	Operating Expenses OperatingExpenses	63515000
CY2021Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	370000
CY2020Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	225000
CY2021Q1	us-gaap	Interest Expense InterestExpense	362000
CY2020Q1	us-gaap	Interest Expense InterestExpense	428000
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-19000
CY2021Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-49000
CY2020Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-222000
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-171770000
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-146545000
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	288221000
CY2021Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	288023000
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	555000
CY2021Q1	us-gaap	Common Stock Value CommonStockValue	555000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	149391000
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	142954000
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	117717000
CY2021Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	124098000
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	53212000
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	68614000
CY2020Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	2049000
CY2021Q1	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	2393000
CY2020Q4	us-gaap	Capitalized Contract Cost Net Noncurrent CapitalizedContractCostNetNoncurrent	566000
CY2020Q4	us-gaap	Long Term Investments LongTermInvestments	4275000
CY2021Q1	us-gaap	Long Term Investments LongTermInvestments	4275000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5300000
CY2021Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	150593000
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2774000
CY2021Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2798000
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7780000
CY2021Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	6441000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	116525000
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	81770000
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	141552000
CY2021Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6500000
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6941000
CY2021Q1	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	-661000
CY2020Q1	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	-933000
CY2021Q1	hrbr	Amortization Of Engine Overhauls AmortizationOfEngineOverhauls	298000
CY2020Q1	hrbr	Amortization Of Engine Overhauls AmortizationOfEngineOverhauls	732000
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	4351000
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	6200000
CY2021Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	6363000
CY2020Q4	hrbr	Promissory Notes Payable Non Current PromissoryNotesPayableNonCurrent	4275000
CY2021Q1	hrbr	Promissory Notes Payable Non Current PromissoryNotesPayableNonCurrent	4275000
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	70442000
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	85471000
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	107000
CY2021Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	870000
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	18443000
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	26365000
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	345000
CY2021Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	378000
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1361000
CY2020Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	14761000
CY2021Q1	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	14251000
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	11773000
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	12382000
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2020Q4	us-gaap	Assets Assets	350453000
CY2021Q1	us-gaap	Assets Assets	390816000
CY2021Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	49774000
CY2020Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	67079000
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	33257000
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	3564000
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	33208000
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3342000
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7983000
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1072000
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.35
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	77521000
CY2021Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	163000
CY2020Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-7000
CY2021Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	516000
CY2021Q1	us-gaap	Lease Cost LeaseCost	945000
CY2020Q1	us-gaap	Lease Cost LeaseCost	4861000
CY2020Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1082000
CY2021Q1	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	-211000
CY2020Q1	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	199000
CY2021Q1	us-gaap	Increase Decrease In Prepaid Expenses Other IncreaseDecreaseInPrepaidExpensesOther	1256000
CY2021Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14193000
CY2020Q1	us-gaap	Increase Decrease In Prepaid Expenses Other IncreaseDecreaseInPrepaidExpensesOther	920000
CY2021Q1	hrbr	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	-96000
CY2020Q1	hrbr	Increase Decrease In Operating Lease Right Of Use Asset IncreaseDecreaseInOperatingLeaseRightOfUseAsset	-2490000
CY2021Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	609000
CY2020Q1	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1691000
CY2021Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-510000
CY2020Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	245000
CY2021Q1	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	33000
CY2020Q1	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	462000
CY2021Q1	hrbr	Increase Decrease In Contract Liabilities IncreaseDecreaseInContractLiabilities	-7244000
CY2020Q1	hrbr	Increase Decrease In Contract Liabilities IncreaseDecreaseInContractLiabilities	1242000
CY2021Q1	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	763000
CY2020Q1	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-20000
CY2020Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-9000
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-898000
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	163000
CY2020Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2918000
CY2021Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4000
CY2020Q1	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2000
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20159000
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2916000
CY2021Q1	us-gaap	Profit Loss ProfitLoss	25225000
CY2020Q1	us-gaap	Profit Loss ProfitLoss	4414000
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	14746000
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11805000
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-6311000
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	8889000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	131193000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70273000
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	124882000
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	79162000
CY2020Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021Q1	us-gaap	Long Term Debt LongTermDebt	117138000
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	117838000
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	28218000
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	23652000
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	88920000
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	94186000
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3007000
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	10721000
CY2021Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y9M3D
CY2021Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0602
CY2021Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	766000
CY2020Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	4316000
CY2021Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	146000
CY2021Q1	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	26725000
CY2021Q1	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	47201000
CY2021Q1	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	30281000
CY2021Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021Q1	us-gaap	Contractual Obligation ContractualObligation	135169000
CY2021Q1	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	15516000
CY2021Q1	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	14867000
CY2021Q1	hrbr	Contractual Obligation To Be Paid After Year Four ContractualObligationToBePaidAfterYearFour	579000
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	25225000
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	4414000
CY2021Q1	us-gaap	Interest Paid Net InterestPaidNet	1037000
CY2020Q1	us-gaap	Interest Paid Net InterestPaidNet	0
CY2021Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	10083000
CY2020Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0
CY2021Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	700000
CY2020Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	1837000
CY2021Q1	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	5300000
CY2020Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	5300000
CY2021Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	5300000
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	5300000
CY2020Q1	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	165000
CY2021Q1	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	198000
CY2021Q1	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	13200000
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	13200000
CY2020Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.321
CY2021Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.240
CY2021Q1	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	198000
CY2020Q1	us-gaap	Temporary Equity Dividends Adjustment TemporaryEquityDividendsAdjustment	165000
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	25027000
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4249000
CY2022Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	0.80
CY2021Q1	us-gaap	Deferred Income Noncurrent DeferredIncomeNoncurrent	31075000
CY2020Q4	us-gaap	Deferred Income Noncurrent DeferredIncomeNoncurrent	30720000
CY2021Q1	us-gaap	Liabilities Liabilities	236064000
CY2020Q4	us-gaap	Liabilities Liabilities	220728000
CY2021Q1	us-gaap	Treasury Stock Value TreasuryStockValue	481000
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	481000
CY2020Q2	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	3000000
CY2020Q3	us-gaap	Payments For Flight Equipment PaymentsForFlightEquipment	818000
CY2021Q1	hrbr	Increase Decrease In Variable Lease Cost IncreaseDecreaseInVariableLeaseCost	33000
CY2020Q1	hrbr	Increase Decrease In Variable Lease Cost IncreaseDecreaseInVariableLeaseCost	29000
CY2021Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	299000
CY2020Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	559000
CY2021Q1	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	16500000
CY2020Q1	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	13567000
CY2021Q1	dei	Document Type DocumentType	10-Q
CY2021Q1	dei	Amendment Flag AmendmentFlag	false
CY2021Q1	dei	Document Period End Date DocumentPeriodEndDate	2021-03-31
CY2021Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2021Q1	dei	Entity Registrant Name EntityRegistrantName	HARBOR DIVERSIFIED, INC.
CY2021Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000899394
CY2021Q1	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-57000
CY2021Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021Q1	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2021Q1	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021Q1	dei	Entity File Number EntityFileNumber	001-34584
CY2021Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-3697002
CY2021Q1	dei	Entity Address Address Line1 EntityAddressAddressLine1	W6390 Challenger Drive
CY2021Q1	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 203
CY2021Q1	dei	Entity Address City Or Town EntityAddressCityOrTown	Appleton
CY2021Q1	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	54914-9120
CY2021Q1	dei	Entity Address State Or Province EntityAddressStateOrProvince	WI
CY2021Q1	dei	City Area Code CityAreaCode	920
CY2021Q1	dei	Local Phone Number LocalPhoneNumber	749-4188
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	54863305
CY2021Q1	hrbr	Long Term Debt Current Principal Amount LongTermDebtCurrentPrincipalAmount	25558000
CY2020Q4	hrbr	Long Term Debt Current Principal Amount LongTermDebtCurrentPrincipalAmount	20922000
CY2021Q1	hrbr	Long Term Debt Non Current Principal Amount LongTermDebtNonCurrentPrincipalAmount	81430000
CY2020Q4	hrbr	Long Term Debt Non Current Principal Amount LongTermDebtNonCurrentPrincipalAmount	86066000
CY2021Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2021Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	55481140
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	55481140
CY2021Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	54863305
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	54863305
CY2021Q1	hrbr	Cares Act Payroll Support Program CaresActPayrollSupportProgram	27914000
CY2020Q1	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	84000
CY2021Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-49000
CY2020Q1	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-544000
CY2021Q1	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-57000
CY2021Q1	hrbr	Increase Decrease In Federal Tax Receivable IncreaseDecreaseInFederalTaxReceivable	3026000
CY2021Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	24000
CY2021Q1	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	20000000
CY2021Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	700000
CY2021Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	198000
CY2021Q1	hrbr	Deferred Long Term Revenue DeferredLongTermRevenue	355000
CY2021Q1	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	19943000
CY2021Q1	hrbr	Federal Tax Receivable FederalTaxReceivable	3026000
CY2021Q1	hrbr	Longterm Note Receivable LongtermNoteReceivable	39675000
CY2020Q4	hrbr	Longterm Note Receivable LongtermNoteReceivable	32440000
CY2021Q1	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-57000
CY2021Q1	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	24218000
CY2020Q1	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	0
CY2021Q1	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Estimates and Assumptions </div></div></div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from those estimates. </div></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2021Q1	us-gaap	Reclassifications Reclassifications	<div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Reclassification </div></div></div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">In accordance with ASU <div style="white-space: nowrap; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">2016-18,</div> restricted cash on the consolidated statement of cash flows for the three months ended March 31, 2020, has been reclassified to be included in the beginning and ending balances of cash and cash equivalents. The restricted cash was previously reported in the cash flows from investing activities section of the statement<div style="letter-spacing: 0px; top: 0px;;display:inline;">s</div> of cash flows. </div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2021Q1	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss
CY2021Q1	hrbr	Stock Repurchase Program StockRepurchaseProgram	<div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">13. Stock Repurchase Program </div></div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">Effective March 30, 2021, the Company’s board of directors adopted a stock repurchase program pursuant to which the Company may initially repurchase up to $1,000 of shares of its common stock during the first calendar month of the program, subject to an automatic increase of $1,000 per calendar month thereafter until such time as the Board takes action to amend or terminate the program. The Company is not obligated under the program to acquire any particular number or value of shares and can suspend or terminate the program at any time. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">The Company did not </div><div style="display:inline;"><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">acquire any shares of its common stock during the three months ended March 31, 2021. </div></div><div style="font-family: "times new roman"; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;"> </div></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2849000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3793000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3568000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3199000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2528000
CY2021Q1	hrbr	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	579000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	16516000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2788000
CY2021Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	13728000
CY2021Q1	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	945000
CY2020Q1	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	4861000
CY2021Q1	us-gaap	Common Stock Convertible Conversion Price Decrease CommonStockConvertibleConversionPriceDecrease	0.15091
CY2021Q1	us-gaap	Lessee Operating Lease Option To Extend LesseeOperatingLeaseOptionToExtend	April 2010 through January 2020
CY2021Q1	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	974000
CY2021Q1	us-gaap	Increase Decrease In Notes Receivable Current IncreaseDecreaseInNotesReceivableCurrent	7235000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	22952000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	26110000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	11897000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	11644000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	44535000
CY2021Q1	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	11048000
CY2021Q1	hrbr	Cash Paid CashPaid	670000
CY2021Q1	hrbr	Revenue Performance Obligation RevenuePerformanceObligation	7235000
CY2021Q1	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.045
CY2021Q1	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2023-02-28
CY2021Q1	us-gaap	Interest Receivable InterestReceivable	669000
CY2021Q1	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0
CY2021Q1	hrbr	Percentage Of The Diluted Capital Stock PercentageOfTheDilutedCapitalStock	0.230
CY2021Q1	dei	Entity Small Business EntitySmallBusiness	true
CY2021Q1	dei	Entity Shell Company EntityShellCompany	false
CY2021Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2021Q1	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2021Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021Q1	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0
CY2020Q1	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	0
CY2020Q1	us-gaap	Increase Decrease In Notes Receivable Current IncreaseDecreaseInNotesReceivableCurrent	0
CY2020Q1	hrbr	Increase Decrease In Federal Tax Receivable IncreaseDecreaseInFederalTaxReceivable	0
CY2020Q1	hrbr	Deferred Long Term Revenue DeferredLongTermRevenue	0
CY2020Q1	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	0
CY2020Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0
CY2020Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	0
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	0
CY2021Q1	hrbr	Number Of Outstanding Letter Of Credit NumberOfOutstandingLetterOfCredit	5

Files In Submission

Name	View Source	Status
0001193125-21-163839-index-headers.html	Edgar Link	pending
0001193125-21-163839-index.html	Edgar Link	pending
0001193125-21-163839.txt	Edgar Link	pending
0001193125-21-163839-xbrl.zip	Edgar Link	pending
d320594d10q.htm	Edgar Link	pending
d320594dex103.htm	Edgar Link	pending
d320594dex311.htm	Edgar Link	pending
d320594dex312.htm	Edgar Link	pending
d320594dex321.htm	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
hrbr-20210331.xml	Edgar Link	completed
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hrbr-20210331_cal.xml	Edgar Link	unprocessable
hrbr-20210331_def.xml	Edgar Link	unprocessable
hrbr-20210331_lab.xml	Edgar Link	unprocessable
hrbr-20210331_pre.xml	Edgar Link	unprocessable
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R6.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$HRBR
HARBOR DIVERSIFIED, INC. Stock $hrbr

2021 Q1 Form 10-Q Financial Statement

#000119312521163839 Filed on May 17, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HRBR HARBOR DIVERSIFIED, INC. Stock $hrbr

2021 Q1 Form 10-Q Financial Statement

#000119312521163839 Filed on May 17, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HRBR
HARBOR DIVERSIFIED, INC. Stock $hrbr