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Summary of Significant Accounting Policies - Deferred Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Contract with Customer [Roll Forward] |  |
Balance at beginning of period | $ 62 | $ 98
Current period advances from customers | 2,303 | 1,395
Revenue recognized due to fulfillment of performance obligations | (1,005) | (1,431)
Balance at end of period | $ 1,360 | $ 62

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- Definition Contract With Customer Liability Advances + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Contract With Customer Liability Revenue Recognized Including Opening Balance + References No definition available. + Details
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Namespace Prefix: | acnt_
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- Definition Contract with Customer + References No definition available. + Details
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Namespace Prefix: | acnt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
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