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Note 5 - Workers' Compensation Insurance and Reserves (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Mar. 31, 2014
Reimbursement Insurance Amount | $ 500,000 |
Obligations to Workers' Compensation Insurance Carrier [Member] |  |
Letters of Credit Outstanding, Amount | 14,300,000 |
Obligations to Workers' Compensation Insurance Carrier [Member] | Truist [Member] |  |
Letters of Credit Outstanding, Amount | $ 14,300,000 |
Maximum [Member] |  |
Insurance for Covered Losses and Expenses |  | $ 500,000

X
- Definition Represents the insurance for covered losses and expenses. + References No definition available. + Details
Name: | hqi_InsuranceForCoveredLossesAndExpenses
Namespace Prefix: | hqi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents reimbursements insurance agent. + References No definition available. + Details
Name: | hqi_ReimbursementInsuranceAmount
Namespace Prefix: | hqi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=hqi_ObligationsToWorkersCompensationInsuranceCarrierMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=hqi_TruistMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |