v2.4.0.8

Costs in Excess of Billings and Billings in Excess of Costs (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Costs in Excess of Billings and Billings in Excess of Costs [Abstract] |  |
Estimated period to complete contracts in process, minimum | 1 month |
Estimated period to complete contracts in process, maximum | 12 months |
Expected period for collection | 1 year |
Contracts in process [Abstract] |  |
Costs incurred on uncompleted contracts | $ 6,739 | $ 9,181
Estimated contribution to earnings | 656 | 2,088
Total costs incurred and estimated earnings | 7,395 | 11,269
Less billings to date | (6,739) | (11,076)
Costs and estimated earnings in excess of billings (billings in excess of costs), net | $ 656 | $ 193

X
- Definition The amount of billings to date for uncompleted contracts included in costs and estimated earnings in excess of billings (billings in excess of costs), net, as of the balance sheet date. + References No definition available. + Details
Name: | airm_BillingsToDate
Namespace Prefix: | airm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | airm_ContractsInProcessAbstract
Namespace Prefix: | airm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount included in cost of uncompleted contracts in excess of related billings, or unbilled accounts receivable, which is expected to be collected within one year from the date of the balance sheet, net of the liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method that are expected to be realized within one year from the reporting date. + References No definition available. + Details
Name: | airm_CostsAndEstimatedEarningsInExcessOfBillingsBillingsInExcessOfCostsNet
Namespace Prefix: | airm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of costs incurred on uncompleted contracts included in costs and estimated earnings in excess of billings (billings in excess of costs), net, as of the balance sheet date. + References No definition available. + Details
Name: | airm_CostsIncurredOnUncompletedContracts
Namespace Prefix: | airm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | airm_CostsInExcessOfBillingsAndBillingsInExcessOfCostsAbstract
Namespace Prefix: | airm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of estimated contribution to earnings included in costs and estimated earnings in excess of billings (billings in excess of costs), net, as of the balance sheet date. + References No definition available. + Details
Name: | airm_EstimatedContributionToEarnings
Namespace Prefix: | airm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The maximum period in which the company expects to complete contracts in process as of the balance sheet date. + References No definition available. + Details
Name: | airm_EstimatedPeriodToCompleteContractsInProcessMaximum
Namespace Prefix: | airm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum period in which the company expects to complete contracts in process as of the balance sheet date. + References No definition available. + Details
Name: | airm_EstimatedPeriodToCompleteContractsInProcessMinimum
Namespace Prefix: | airm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expected period for collection of all related accounts receivable and costs and estimated earnings in excess of billings on uncompleted contracts as of the balance sheet date. + References No definition available. + Details
Name: | airm_ExpectedPeriodForCollection
Namespace Prefix: | airm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of costs incurred on uncompleted contracts and estimated contribution to earnings included in costs and estimated earnings in excess of billings (billings in excess of costs), net, as of the balance sheet date. + References No definition available. + Details
Name: | airm_TotalCostsIncurredAndEstimatedEarnings
Namespace Prefix: | airm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant