XML 82 R68.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 10 - Financing Arrangements (Details Textual) - USD ($) |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 06, 2017 | Jul. 18, 2016 | Mar. 31, 2017 | Jul. 26, 2017 | May 02, 2017 | Jan. 05, 2017 | Oct. 31, 2016
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months |  |  | $ 25,000 |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Two |  |  | 17,968,000 |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Three |  |  | 60,000 |  |  |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  |  | 295,000 |  |  |  |
Delphax [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 2,500,000 |  |  |  |  | $ 7,000,000 |
Repayments of Long-term Lines of Credit | $ 1,260,000 |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Percentage of Purchase Orders from Customers | 100.00% |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Maximum Value of Purchase Orders Included in Borrowing Base | $ 500,000 |  |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End | 2.50% |  |  |  |  |  |
Upon Execution of the Amendment [Member] | Delphax [Member] |  |  |  |  |  |  |
Line of Credit Facility, Commitment Fee Amount | $ 25,000 |  |  |  |  |  |
Upon Repayment in Full of All Loans Under the Senior Credit Agreement [Member] | Delphax [Member] |  |  |  |  |  |  |
Line of Credit Facility, Commitment Fee Amount | $ 50,000 |  |  |  |  |  |
Construction Loan Agreement [Member] | BB&T [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 1,480,000
Long-term Line of Credit |  |  | 562,000 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 25,000,000 |  |  |  |
Line of Credit Facility, Commitment Fee Percentage |  |  | 0.15% |  |  |  |
Minimum Consolidated Tangible Net Worth |  |  | $ 18,000,000 |  |  |  |
Minimum Fixed Charge Coverage Ratio |  |  | 1.35 |  |  |  |
Maximum Leverage Ratio |  |  | 3.5 |  |  |  |
Maximum Amount of Assets the Company and It's Subsidiaries Lease or Hold for Leasing Required by the Financial Covenants for the Credit Agreement |  |  | $ 5,000,000 |  |  |  |
Long-term Line of Credit |  |  | $ 17,908,000 |  |  |  |
LIBOR Rate |  |  | 0.98% |  |  |  |
Revolving Credit Facility [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 25,000,000 |  |
Revolving Credit Facility [Member] | Delphax [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Nontrade Receivables |  |  |  | $ 1,510,000 |  |  |
Revolving Credit Facility [Member] | Delphax [Member] |  |  |  |  |  |  |
Long-term Line of Credit |  |  | $ 1,873,000 |  |  |  |
Revolving Credit Facility [Member] | BMO Harris Bank N.A. [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 3,200,000 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Percentage of Eligible Inventory |  | 75.00% |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Maximum Value of Eligible Inventory Included in Borrowing Base |  | $ 9,000,000 |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity, Percentage of Outstanding Eligible Accounts Receivable |  | 80.00% |  |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted |  | $ 1,600,000 |  |  |  |  |
Minimum Debt Service Coverage Ratio |  | 1.75 |  |  |  |  |
Maximum Ratio of Total Liabilities to Tangible Net Worth |  | 2.5 |  |  |  |  |
Annual Operating Lease Payments Limitation |  | $ 10,000 |  |  |  |  |
Revolving Credit Facility [Member] | Contrail Aviation Support LLC. [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 12,000,000 |  |  |  |  |
Long-term Line of Credit |  |  | $ 0 |  |  |  |
Revolving Credit Facility [Member] | Period of April 01, 2016 to March 31, 2017 [Member] |  |  |  |  |  |  |
Percentage of Consolidated Net Income |  |  | 50.00% |  |  |  |
Revolving Credit Facility [Member] | Period of October 01, 2016 to December 31, 2016 [Member] |  |  |  |  |  |  |
Minimum Asset Coverage Ratio |  |  | 1.5 |  |  |  |
Revolving Credit Facility [Member] | After March 31, 2017 [Member] |  |  |  |  |  |  |
Minimum Asset Coverage Ratio |  |  | 1.75 |  |  |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 2.00% |  |  |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | BMO Harris Bank N.A. [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.80% |  |  |  |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] |  |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate |  |  | 1.50% |  |  |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] |  |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate |  |  | 2.00% |  |  |  |
Revolving Credit Facility [Member] | Letter of Credit [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 500,000 |  |  |  |

X
- Definition Represents the total amount of annual operating lease payments limitation according to the debt agreement. + References No definition available. + Details
Name: | airt_AnnualOperatingLeasePaymentsLimitation
Namespace Prefix: | airt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Interest rate at which a bank borrows funds from other banks in the London interbank market. + References No definition available. + Details
Name: | airt_LIBORRate
Namespace Prefix: | airt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the maximum value of eligible inventory included in borrowing base. + References No definition available. + Details
Name: | airt_LineOfCreditFacilityMaximumBorrowingCapacityMaximumValueOfEligibleInventoryIncludedInBorrowingBase
Namespace Prefix: | airt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the maximum value of Purchase Orders from customers included in borrowing base. + References No definition available. + Details
Name: | airt_LineOfCreditFacilityMaximumBorrowingCapacityMaximumValueOfPurchaseOrdersIncludedInBorrowingBase
Namespace Prefix: | airt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the percentage of eligible inventory in computation of borrowing base. + References No definition available. + Details
Name: | airt_LineOfCreditFacilityMaximumBorrowingCapacityPercentageOfEligibleInventory
Namespace Prefix: | airt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the percentage of outstanding eligible accounts receivable in computation of borrowing base. + References No definition available. + Details
Name: | airt_LineOfCreditFacilityMaximumBorrowingCapacityPercentageOfOutstandingEligibleAccountsReceivable
Namespace Prefix: | airt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the percentage of purchase orders from customers utilized in computation of borrowing base. + References No definition available. + Details
Name: | airt_LineOfCreditFacilityMaximumBorrowingCapacityPercentageOfPurchaseOrdersFromCustomers
Namespace Prefix: | airt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents maximum amount of assets the company and it's subsidiaries lease or hold for leasing required by the financial covenants for the credit agreement. + References No definition available. + Details
Name: | airt_MaximumAmountOfAssetsTheCompanyAndItsSubsidiariesLeaseOrHoldForLeasingRequiredByTheFinancialCovenantsForTheCreditAgreement
Namespace Prefix: | airt_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum leverage ratio required by the financial covenants for the credit agreement. + References No definition available. + Details
Name: | airt_MaximumLeverageRatio
Namespace Prefix: | airt_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the maximum ratio of total liabilities to tangible net worth required by the debt agreement. + References No definition available. + Details
Name: | airt_MaximumRatioOfTotalLiabilitiesToTangibleNetWorth
Namespace Prefix: | airt_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Consolidated minimum asset covenant coverage ratio determines a company's ability to cover debt obligations with its assets after all liabilities have been satisfied.The minimum consolidated asset coverage ratio required by the financial covenants for the credit agreement. + References No definition available. + Details
Name: | airt_MinimumAssetCoverageRatio
Namespace Prefix: | airt_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The minimum consolidated tangible net worth required by the financial covenants for the credit agreement. + References No definition available. + Details
Name: | airt_MinimumConsolidatedTangibleNetWorth
Namespace Prefix: | airt_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the minimum debt service coverage ratio required by the debt agreement. + References No definition available. + Details
Name: | airt_MinimumDebtServiceCoverageRatio
Namespace Prefix: | airt_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition A covenant ratio that indicates a firm's ability to satisfy fixed financing expenses, such as interest and leases. The minimum fixed charge coverage ratio required by the financial covenants for the credit agreement. + References No definition available. + Details
Name: | airt_MinimumFixedChargeCoverageRatio
Namespace Prefix: | airt_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the percentage of consolidated net income required by the financial covenants for the credit agreement. + References No definition available. + Details
Name: | airt_PercentageOfConsolidatedNetIncome
Namespace Prefix: | airt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the fee for available but unused credit capacity under the credit facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeeAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amounts due as of the balance sheet date of the sum of amounts receivable other than from customers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NontradeReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=airt_DelphaxMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CounterpartyNameAxis=airt_DelphaxMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | dei_LegalEntityAxis=airt_ContrailAviationSupportLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=airt_PeriodOfApril012016ToMarch312017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=airt_PeriodOfOctober012016ToDecember312016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=airt_AfterMarch312017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |