SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Concentrations of Business Risk — The Company generates revenue from managed care contracts and other agreements with commercial third-party payers. Revenue related to the Company’s largest payer was approximately 13% and 16% for the three months ended March 31, 2020 and 2019, respectively. In December 2019, the Company renewed and expanded its multi-year contract with this payer. The contract renewal was effective in February 2020 for a two-year term and auto-renews at the end of that term. There were no other managed care contracts that represent greater than 10% of revenue for the periods presented. For three months ended March 31, 2020 and 2019, approximately 12% and 13%, respectively, of the Company’s revenue was reimbursable through direct government healthcare programs, such as Medicare and Medicaid. As of March 31, 2020 and December 31, 2019, respectively, approximately 12% and 12%, respectively, of the Company’s accounts receivable was related to these programs. Governmental programs pay for services based on fee schedules and rates that are determined by the related governmental agency. Laws and regulations pertaining to government programs are complex and subject to interpretation. As a result, there is at least a reasonable possibility that recorded estimates will change in the near term. The Company does not require its patients nor other payers to carry collateral for any amounts owed for goods or services provided. Other than as discussed above, concentration of credit risk relating to trade accounts receivable is limited due to the Company’s diversity of patients and payers. Further, the Company generally does not provide charity care. For the three months ended March 31, 2020 and 2019, approximately 70% and 75%, respectively, of the Company’s pharmaceutical and medical supply purchases were from three vendors. Although there are a limited number of suppliers, the Company believes that other vendors could provide similar products on comparable terms. However, a change in suppliers could cause delays in service delivery and possible losses in revenue, which could adversely affect the Company’s financial condition or operating results. Although there is uncertainty regarding the COVID-19 pandemic, as of March 31, 2020 the Company has been able to maintain adequate levels of supplies and pharmaceuticals to support its operations. Recently-Adopted Accounting Pronouncements — In June 2016, the FASB issued ASU 2016-13, Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires measurement and recognition of expected credit losses for financial assets held. The Amendments in ASU 2016-13 eliminate the probable threshold for initial recognition of a credit loss in current GAAP and reflect an entity’s current estimate of all expected credit losses. ASU 2016-13 is effective for interim and annual reporting periods beginning after December 15, 2019, and is to be applied using a modified retrospective transition method. The Company adopted the standard as of January 1, 2020. The adoption of this standard did not have a material impact on the Company’s consolidated financial statements.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Concentrations of Business Risk — The Company generates revenue from managed care contracts and other agreements with commercial third-party payers. Revenue related to the Company’s largest payer was approximately 13% and 16% for the three months ended March 31, 2020 and 2019, respectively. In December 2019, the Company renewed and expanded its multi-year contract with this payer. The contract renewal was effective in February 2020 for a two-year term and auto-renews at the end of that term. There were no other managed care contracts that represent greater than 10% of revenue for the periods presented.

For three months ended March 31, 2020 and 2019, approximately 12% and 13%, respectively, of the Company’s revenue was reimbursable through direct government healthcare programs, such as Medicare and Medicaid. As of March 31, 2020 and December 31, 2019, respectively, approximately 12% and 12%, respectively, of the Company’s accounts receivable was related to these programs. Governmental programs pay for services based on fee schedules and rates that are determined by the related governmental agency. Laws and regulations pertaining to government programs are complex and subject to interpretation. As a result, there is at least a reasonable possibility that recorded estimates will change in the near term.

The Company does not require its patients nor other payers to carry collateral for any amounts owed for goods or services provided. Other than as discussed above, concentration of credit risk relating to trade accounts receivable is limited due to the Company’s diversity of patients and payers. Further, the Company generally does not provide charity care.

For the three months ended March 31, 2020 and 2019, approximately 70% and 75%, respectively, of the Company’s pharmaceutical and medical supply purchases were from three vendors. Although there are a limited number of suppliers, the Company believes that other vendors could provide similar products on comparable terms. However, a change in suppliers could cause delays in service delivery and possible losses in revenue, which could adversely affect the Company’s financial condition or operating results. Although there is uncertainty regarding the COVID-19 pandemic, as of March 31, 2020 the Company has been able to maintain adequate levels of supplies and pharmaceuticals to support its operations.

Recently-Adopted Accounting Pronouncements — In June 2016, the FASB issued ASU 2016-13, Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires measurement and recognition of expected credit losses for financial assets held. The Amendments in ASU 2016-13 eliminate the probable threshold for initial recognition of a credit loss in current GAAP and reflect an entity’s current estimate of all expected credit losses. ASU 2016-13 is effective for interim and annual reporting periods beginning after December 15, 2019, and is to be applied using a modified retrospective transition method. The Company adopted the standard as of January 1, 2020. The adoption of this standard did not have a material impact on the Company’s consolidated financial statements.