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SIGNIFICANT ACCOUNTING POLICIES (Details - Revenue) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | $ 190,566 | $ 289,097 | $ 472,130 | $ 560,647
Total revenue | 190,566 | 289,097 | 472,130 | 560,647
Commercial insurance |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 96,349 | 160,185 | 251,711 | 311,899
Medicare |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 35,082 | 60,151 | 92,587 | 114,280
Medicaid |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 4,300 | 7,295 | 10,980 | 14,423
Workers' compensation/personal injury |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 7,359 | 11,014 | 17,916 | 22,062
Other patient revenue |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 3,549 | 6,017 | 9,217 | 11,858
Management fee revenue |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 3,332 | 1,753 | 5,899 | 3,870
Teleradiology and Software revenue |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 2,200 | 4,063 | 5,971 | 8,449
Other |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 3,527 | 7,693 | 9,750 | 14,003
Service fee revenue |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | 155,698 | 258,171 | 404,031 | 500,844
Revenue under capitation arrangements |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Service fee revenue, net of contractual allowances and discounts | $ 34,868 | $ 30,926 | $ 68,099 | $ 59,803

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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