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