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BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Activity in the allowance for doubtful accounts |  |
Beginning balance | $ 802 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | $ 177 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Allowance for doubtful accounts acquired |  | 460 amot_AllowanceForDoubtfulAccountsReceivableAcquired
Additional reserves | 473 us-gaap_ProvisionForDoubtfulAccounts | 158 us-gaap_ProvisionForDoubtfulAccounts
Write-offs | (882)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs | 1 us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Effect of foreign currency translation | (26)amot_AllowanceForDoubtfulAccountsForeignCurrencyTranslation | 6 amot_AllowanceForDoubtfulAccountsForeignCurrencyTranslation
Ending balance | 367 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent | 802 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Inventories |  |
Parts and raw materials | 21,573 us-gaap_InventoryRawMaterials | 20,649 us-gaap_InventoryRawMaterials
Work-in-process | 2,924 us-gaap_InventoryWorkInProcess | 3,369 us-gaap_InventoryWorkInProcess
Finished goods | 4,403 us-gaap_InventoryFinishedGoods | 4,350 us-gaap_InventoryFinishedGoods
Inventory, gross | 28,900 us-gaap_InventoryGross | 28,368 us-gaap_InventoryGross
Less reserves | (3,529)us-gaap_InventoryValuationReserves | (3,938)us-gaap_InventoryValuationReserves
Inventories, net | 25,371 us-gaap_InventoryNet | 24,430 us-gaap_InventoryNet
Provision for excess and obsolete inventory | $ 753 us-gaap_InventoryWriteDown | $ 105 us-gaap_InventoryWriteDown

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