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Note 2 - Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Details) | 12 Months Ended
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Dec. 31, 2017
Minimum [Member] |
Estimated useful life (Year) | 5 years
Minimum [Member] | Computer Equipment and Software [Member] |
Estimated useful life (Year) | 3 years
Minimum [Member] | Furniture and Fixtures [Member] |
Estimated useful life (Year) | 5 years
Minimum [Member] | Equipment [Member] |
Estimated useful life (Year) | 5 years
Maximum [Member] |
Estimated useful life (Year) | 16 years
Maximum [Member] | Computer Equipment and Software [Member] |
Estimated useful life (Year) | 5 years
Maximum [Member] | Furniture and Fixtures [Member] |
Estimated useful life (Year) | 7 years
Maximum [Member] | Equipment [Member] |
Estimated useful life (Year) | 15 years

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=anik_ComputerEquipmentAndSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |