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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Cash Flows From Operating Activities: |  |
Net income | $ 13,860 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 3,953 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 7,267 us-gaap_DepreciationDepletionAndAmortization | 2,913 us-gaap_DepreciationDepletionAndAmortization
Deferred income taxes | 1,208 amot_DeferredIncomeTaxNoncashExpenseBenefit | 90 amot_DeferredIncomeTaxNoncashExpenseBenefit
Provision for doubtful accounts | 473 us-gaap_ProvisionForDoubtfulAccounts | 158 us-gaap_ProvisionForDoubtfulAccounts
Provision for excess and obsolete inventory | 753 us-gaap_InventoryWriteDown | 105 us-gaap_InventoryWriteDown
Provision for warranty | 234 us-gaap_ProductWarrantyExpense | 175 us-gaap_ProductWarrantyExpense
Restricted Stock Compensation | 1,541 us-gaap_RestrictedStockExpense | 927 us-gaap_RestrictedStockExpense
Other | 429 us-gaap_OtherNoncashIncomeExpense | (385)us-gaap_OtherNoncashIncomeExpense
Changes in operating assets and liabilities, excluding changes due to acquisition: |  |
(Increase) decrease in trade receivables, net | (2,504)us-gaap_IncreaseDecreaseInAccountsReceivable | 196 us-gaap_IncreaseDecreaseInAccountsReceivable
(Increase) decrease in inventories | (2,864)us-gaap_IncreaseDecreaseInInventories | 1,763 us-gaap_IncreaseDecreaseInInventories
(Increase) decrease in prepaid expenses and other | 194 us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | (561)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Increase (decrease) in accounts payable | 752 us-gaap_IncreaseDecreaseInAccountsPayable | 558 us-gaap_IncreaseDecreaseInAccountsPayable
Increase (decrease) in accrued liabilities and other | 2,322 us-gaap_IncreaseDecreaseInAccruedLiabilities | (617)us-gaap_IncreaseDecreaseInAccruedLiabilities
Increase (decrease) in income taxes payable | (3,369)us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable | 1,504 us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Net cash provided by operating activities | 20,296 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | 10,779 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash Flows From Investing Activities: |  |
Proceeds from working capital adjustment and (consideration paid for acquisition, net of cash acquired) | 1,397 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (91,607)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Purchase of property and equipment | (4,046)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (3,087)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net cash used in investing activities | (2,649)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations | (94,694)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash Flows From Financing Activities: |  |
Borrowings (repayments) on lines-of-credit, net | (7,541)us-gaap_ProceedsFromRepaymentsOfLinesOfCredit | 8,475 us-gaap_ProceedsFromRepaymentsOfLinesOfCredit
Principal payments of long-term debt | (5,250)us-gaap_RepaymentsOfLongTermDebt | (1,250)us-gaap_RepaymentsOfLongTermDebt
Proceeds from issuance of long-term debt |  | 80,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt
Change in restricted cash obligations | 1,800 amot_IncreaseDecreaseInRestrictedCashObligation | (1,800)amot_IncreaseDecreaseInRestrictedCashObligation
Payment of debt issuance costs |  | (2,377)us-gaap_PaymentsOfDebtIssuanceCosts
Dividends paid to stockholders | (963)us-gaap_PaymentsOfDividends | (873)us-gaap_PaymentsOfDividends
Stock transactions under employee benefit stock plans | 344 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 434 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
Net cash (used in) provided by financing activities | (11,610)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations | 82,609 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Effect of foreign exchange rate changes on cash | (1,295)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations | (51)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations
Net increase in cash and cash equivalents | 4,742 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (1,357)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period | 8,371 us-gaap_CashAndCashEquivalentsAtCarryingValue | 9,728 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period | 13,113 us-gaap_CashAndCashEquivalentsAtCarryingValue | 8,371 us-gaap_CashAndCashEquivalentsAtCarryingValue
Net cash paid during the period for: |  |
Interest | 6,014 us-gaap_InterestPaid | 1,326 us-gaap_InterestPaid
Income taxes | $ 5,921 us-gaap_IncomeTaxesPaidNet | $ 1,099 us-gaap_IncomeTaxesPaidNet

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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or cash outflow 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 either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3,4)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal 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=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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