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Note 1 - Organization, Description of Business and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		Three Months Ended June 30,								Six Months Ended June 30,
		2020				2019				2020				2019
Medicare			18	%			26	%			23	%			24	%
Johnson and Johnson Services, Inc.			*				11	%			*				12	%
UnitedHealthcare			10	%			11	%			10	%			11	%
			28	%			48	%			33	%			47	%

		June 30, 2020				December 31, 2019
Johnson and Johnson Services, Inc.			*				10	%
Medicare			11	%			15	%
*Less than 10%

X

- 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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