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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Revenue	$ 36,893	$ 31,297
United States [Member]
Disaggregation Of Revenue [Line Items]
Revenue	35,808	30,138
Non Us [Member]
Disaggregation Of Revenue [Line Items]
Revenue	1,085	1,159
Lab Essentials [Member]
Disaggregation Of Revenue [Line Items]
Revenue	27,184	21,240
Clinical Solutions [Member]
Disaggregation Of Revenue [Line Items]
Revenue	6,793	4,807
Sample Transport [Member]
Disaggregation Of Revenue [Line Items]
Revenue	1,530	4,297
Other Product [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,386	$ 953

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No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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