| Label | Element | Value |
|---|---|---|
| Leasehold improvements | kern_Leaseholdimprovementsusefullife | Lesser of remaining lease term or useful life |
| Long-Lived Assets | us-gaap_NoncurrentAssets | |
| Long-Lived Assets | us-gaap_NoncurrentAssets | 10,254 |
| Long-Lived Assets | us-gaap_NoncurrentAssets | $ 15,068 |
| Minimum [Member] | ||
| Property, Plant and Equipment, Useful Life | us-gaap_PropertyPlantAndEquipmentUsefulLife | 3 years |
| Maximum [Member] | ||
| Property, Plant and Equipment, Useful Life | us-gaap_PropertyPlantAndEquipmentUsefulLife | 7 years |
| Canada | ||
| Long-Lived Assets | us-gaap_NoncurrentAssets | |
| Long-Lived Assets | us-gaap_NoncurrentAssets | 5,074 |
| Long-Lived Assets | us-gaap_NoncurrentAssets | |
| United States | ||
| Long-Lived Assets | us-gaap_NoncurrentAssets | |
| Long-Lived Assets | us-gaap_NoncurrentAssets | 9,994 |
| Long-Lived Assets | us-gaap_NoncurrentAssets | $ 10,254 |
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- References No definition available.
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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. No definition available.
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