CONCENTRATIONS	9 Months Ended
Sep. 30, 2021
CONCENTRATIONS
CONCENTRATIONS	(8) CONCENTRATIONS For the three months ended September 30, 2021, the Company sourced approximately 51% of the supplies for its electrotherapy products from three significant vendors (defined as supplying at least 10%). For the same period in 2020, the Company sourced approximately 64% of the supplies from five significant vendors. For the nine months ended September 30, 2021, the Company sourced approximately 36% of supplies for its electrotherapy products from two significant vendors. For the same period in 2020, the Company sourced approximately 31% of supplies from one significant vendor. Management believes that its relationships with suppliers are good; however, if the relationships were to be replaced, there may be a short-term disruption to operations, a period of time in which products may not be available and additional expenses may be incurred. The Company had receivables from two third-party payers at September 30, 2021 that made up approximately 37% of the net accounts receivable balance. The Company had receivables from one third-party payer at December 31, 2020, that made up approximately 26% of the net accounts receivable balance.

CONCENTRATIONS

9 Months Ended

Sep. 30, 2021

(8) CONCENTRATIONS

For the three months ended September 30, 2021, the Company sourced approximately 51% of the supplies for its electrotherapy products from three significant vendors (defined as supplying at least 10%). For the same period in 2020, the Company sourced approximately 64% of the supplies from five significant vendors.

For the nine months ended September 30, 2021, the Company sourced approximately 36% of supplies for its electrotherapy products from two significant vendors. For the same period in 2020, the Company sourced approximately 31% of supplies from one significant vendor.

Management believes that its relationships with suppliers are good; however, if the relationships were to be replaced, there may be a short-term disruption to operations, a period of time in which products may not be available and additional expenses may be incurred.

The Company had receivables from two third-party payers at September 30, 2021 that made up approximately 37% of the net accounts receivable balance. The Company had receivables from one third-party payer at December 31, 2020, that made up approximately 26% of the net accounts receivable balance.