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STOCK-BASED COMPENSATION (Details 2) (ESOP, USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
ESOP |  |
Employee Stock Ownership Plan |  |
Minimum hours of work per year for employees to be covered under Employee Stock Ownership Plan (ESOP) | 1,000 amot_EmployeeStockOwnershipPlanESOPRequisiteServiceHoursPerYear / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = amot_EmployeeStockOwnershipPlanMember |
Annual contribution by employer as a percentage of pretax income before the contribution | 5.00%amot_EmployeeStockOwnershipPlanESOPEmployerAnnualContributionAsPercentageOfPretaxIncomeBeforeContribution / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = amot_EmployeeStockOwnershipPlanMember | 5.00%amot_EmployeeStockOwnershipPlanESOPEmployerAnnualContributionAsPercentageOfPretaxIncomeBeforeContribution / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = amot_EmployeeStockOwnershipPlanMember
Company contributions | $ 980 us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = amot_EmployeeStockOwnershipPlanMember | $ 304 us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense / us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis = amot_EmployeeStockOwnershipPlanMember

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- Details
Name: | amot_EmployeeStockOwnershipPlanESOPDisclosuresAbstract
Namespace Prefix: | amot_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the annual contribution by employer as a percentage of pretax income before the contribution towards Employee Stock Ownership Plan (ESOP). + References No definition available. + Details
Name: | amot_EmployeeStockOwnershipPlanESOPEmployerAnnualContributionAsPercentageOfPretaxIncomeBeforeContribution
Namespace Prefix: | amot_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the minimum hours per year for which an employee is required to perform services to be covered under Employee Stock Ownership Plan (ESOP). + References No definition available. + Details
Name: | amot_EmployeeStockOwnershipPlanESOPRequisiteServiceHoursPerYear
Namespace Prefix: | amot_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of plan compensation cost recognized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
Name: | us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration