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GKCE Acquisition - Schedule of Purchase Price Consideration (Details) - USD ($) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Jun. 12, 2020 | Sep. 30, 2020 | Sep. 30, 2019
Business Acquisition [Line Items] |  |  |
First working capital payment |  | $ (43) | $ 0
GKCE acquisition |  |  |
Business Acquisition [Line Items] |  |  |
Property, plant and equipment, additions | $ 723 |  |
Goodwill | 1,265 |  |
Total assets acquired | 3,347 |  |
Accounts payable | (193) |  |
Income taxes payable | (136) |  |
Deferred income taxes | 66 |  |
Employee compensation and benefits | 83 |  |
Total liabilities assumed | (478) |  |
Consideration allocated to assets acquired and liabilities assumed | 2,869 |  |
First working capital payment | (515) |  |
Estimated subsequent working capital payment | (354) |  |
Base purchase consideration | 2,000 |  |
GKCE acquisition | Building |  |  |
Business Acquisition [Line Items] |  |  |
Cash and cash equivalents | 432 |  |
Accounts receivable | 827 |  |
Prepaid expense and other | 22 |  |
Property, plant and equipment, additions | 404 |  |
GKCE acquisition | Medical equipment |  |  |
Business Acquisition [Line Items] |  |  |
Property, plant and equipment, additions | 319 |  |
GKCE acquisition | Purchased intangible assets |  |  |
Business Acquisition [Line Items] |  |  |
Purchased intangible assets | $ 78 |  |

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