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Significant Risks and Uncertainties (Tables)

9 Months Ended

Sep. 30, 2021

Risks And Uncertainties [Abstract]

Schedule of revenue channels accounted for 10% or more of the Company's net sales

		Three months ended September 30,							Nine months ended September 30,
		2021				2020			2021				2020
Revenue channel:
Department of Veterans Affairs and Department of Defense		63.6%				59.8%				60.7%				59.0%
National Health Service		24.1%				24.2%				25.6%				28.1%

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- Definition

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

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