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REVENUE RECOGNITION - Contract Balances (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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REVENUE RECOGNITION |  |
Contract liabilities in accrued liabilities | $ 354 | $ 898
Contract liabilities in other long-term liabilities | 247 | 262
Contract liabilities | $ 601 | $ 1,160

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- Definition Amount of obligation to contract with accrued liability. + References No definition available. + Details
Name: | amot_ContractLiabilityWithAccruedLiability
Namespace Prefix: | amot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of obligation to contract with other long term liabilities. + References No definition available. + Details
Name: | amot_ContractLiabilityWithOtherLongTermLiabilities
Namespace Prefix: | amot_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration