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SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 segment | Dec. 31, 2013
SEGMENT INFORMATION |  |  |  |  |  |  |  |  |  |
Number of operating segments |  |  |  |  |  |  |  |  | 1 us-gaap_NumberOfOperatingSegments |
Segment information |  |  |  |  |  |  |  |  |  |
Revenues | $ 61,898 us-gaap_SalesRevenueGoodsNet | $ 65,280 us-gaap_SalesRevenueGoodsNet | $ 62,069 us-gaap_SalesRevenueGoodsNet | $ 60,435 us-gaap_SalesRevenueGoodsNet | $ 50,131 us-gaap_SalesRevenueGoodsNet | $ 24,876 us-gaap_SalesRevenueGoodsNet | $ 25,352 us-gaap_SalesRevenueGoodsNet | $ 25,143 us-gaap_SalesRevenueGoodsNet | $ 249,682 us-gaap_SalesRevenueGoodsNet | $ 125,502 us-gaap_SalesRevenueGoodsNet
Identifiable assets | 165,640 us-gaap_Assets |  |  |  | 170,977 us-gaap_Assets |  |  |  | 165,640 us-gaap_Assets | 170,977 us-gaap_Assets
Total Revenue | Customer |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |
Number of customers |  |  |  |  |  |  |  |  | 3 amot_ConcentrationRiskNumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueServicesNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember |
Percentage of concentration risk |  |  |  |  |  |  |  |  | 35.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueServicesNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember |
Trade receivables. | Credit Concentration Risk |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |
Number of customers |  |  |  |  |  |  |  |  | 3 amot_ConcentrationRiskNumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CreditConcentrationRiskMember | 3 amot_ConcentrationRiskNumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CreditConcentrationRiskMember
Percentage of concentration risk |  |  |  |  |  |  |  |  | 41.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CreditConcentrationRiskMember | 42.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_AccountsReceivableMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CreditConcentrationRiskMember
Outside the United States |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 85,152 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = amot_OutsideUnitedStatesMember | 53,989 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = amot_OutsideUnitedStatesMember
Wholly owned foreign subsidiaries |  |  |  |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 82,544 us-gaap_SalesRevenueGoodsNet / dei_LegalEntityAxis = amot_ForeignSubsidiariesMember | 50,053 us-gaap_SalesRevenueGoodsNet / dei_LegalEntityAxis = amot_ForeignSubsidiariesMember
Identifiable assets | $ 53,479 us-gaap_Assets / dei_LegalEntityAxis = amot_ForeignSubsidiariesMember |  |  |  | $ 51,563 us-gaap_Assets / dei_LegalEntityAxis = amot_ForeignSubsidiariesMember |  |  |  | $ 53,479 us-gaap_Assets / dei_LegalEntityAxis = amot_ForeignSubsidiariesMember | $ 51,563 us-gaap_Assets / dei_LegalEntityAxis = amot_ForeignSubsidiariesMember

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