CONCENTRATIONS	6 Months Ended
Jun. 30, 2019
CONCENTRATIONS
CONCENTRATIONS	(9) CONCENTRATIONS For the three months ended June 30, 2019, the Company sourced approximately 72% of the supplies for its electrotherapy products from two significant vendors (defined as supplying at least 10%). For the same period in 2018, the Company sourced approximately 68% of the supplies from two significant vendors. For the six months ended June 30, 2019, the Company sourced approximately 60% of supplies for its electrotherapy products from one significant vendor. For the same period in 2018 the company sourced approximately 79% of supplies from two significant vendors. 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 health insurance carriers at June 30, 2019 that made up approximately 37% of the net accounts receivable balance. The Company had receivables from one health insurance carrier at December 31, 2018, that made up approximately 23%, respectively, of the net accounts receivable balance.

(9) CONCENTRATIONS

For the three months ended June 30, 2019, the Company sourced approximately 72% of the supplies for its electrotherapy products from two significant vendors (defined as supplying at least 10%). For the same period in 2018, the Company sourced approximately 68% of the supplies from two significant vendors.

For the six months ended June 30, 2019, the Company sourced approximately 60% of supplies for its electrotherapy products from one significant vendor. For the same period in 2018 the company sourced approximately 79% of supplies from two significant vendors.

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 health insurance carriers at June 30, 2019 that made up approximately 37% of the net accounts receivable balance. The Company had receivables from one health insurance carrier at December 31, 2018, that made up approximately 23%, respectively, of the net accounts receivable balance.