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v3.19.1

SUMMARY OF ACCOUNTING POLICIES (Details Narrative) |  |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 01, 2019 USD ($) | Mar. 01, 2018 USD ($) | Feb. 01, 2018 USD ($) shares | Mar. 31, 2019 USD ($) shares | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) joint_venture | Apr. 01, 2017 | Mar. 24, 2017 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Contracts receivable, factored amount |  |  |  |  |  | $ 20,500,000 |  |
Contracts receivable, factoring expense |  |  |  |  |  | 440,000 |  |
Contracts receivable, factoring receivable |  |  |  | $ 17,800,000 |  |  |  |
Deferred financing costs, net of accumulated amortization |  |  |  | 1,200,000 |  | 1,400,000 |  |
Goodwill |  |  |  | 424,308,000 |  | 418,093,000 |  |
Goodwill, impairment loss |  |  |  |  |  | 3,800,000 |  |
Indefinite-lived intangible assets |  |  |  | 9,900,000 |  |  |  |
Impairment of intangible assets |  |  |  |  |  | 3,900,000 |  |
Indefinite-lived trade names |  |  |  |  |  | 100,000 |  |
Income tax expense |  |  |  | $ 1,230,000 | $ 2,497,000 |  |  |
Effective tax rate |  |  |  | 39.00% | 22.40% |  |  |
Total credit facilities outstanding |  |  |  | $ 0 |  |  |  |
Investment at cost |  |  |  | 31,738,000 |  | 30,030,000 |  |
Aggregate cost |  |  |  | 68,980,000 |  | $ 65,031,000 |  |
Number of unconsolidated joint ventures | joint_venture |  |  |  |  |  | 14 |  |
Loss on economic interest transaction |  |  |  | (134,000) |  |  |  |
Management service fees |  |  |  | $ 2,100,000 | $ 3,400,000 |  |  |
Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  | 3 years |  |  |  |
Share-based payment award, expiration period |  |  |  | 5 years |  |  |  |
Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  | 5 years |  |  |  |
Share-based payment award, expiration period |  |  |  | 10 years |  |  |  |
Medic Vision |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Ownership percentage |  | 14.21% |  |  |  |  |  | 12.50%
Investment at cost |  | $ 200,000 |  |  |  |  |  | $ 1,000,000
Option to purchase additional equity method investment |  |  |  |  |  |  |  | $ 1,400,000
Additional equity interest acquired |  | 1.96% |  |  |  |  |  |
Initial qwnership percentage after dilution |  | 12.25% |  |  |  |  |  |
Aggregate cost |  |  |  | $ 1,200,000 |  |  |  |
Turner Imaging |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Number of shares purchased (in shares) | shares |  |  | 2,100,000.0 |  |  |  |  |
Number of shares purchased, value |  |  | $ 2,000,000 |  |  |  |  |
Restated Plan |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Shares authorized (in shares) | shares |  |  |  | 14,000,000 |  |  |  |
Restated Plan | Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  | 3 years |  |  |  |
Share-based payment award, expiration period |  |  |  | 5 years |  |  |  |
Restated Plan | Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  | 5 years |  |  |  |
Share-based payment award, expiration period |  |  |  | 10 years |  |  |  |
2016 Caps |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Premium liability for 2016 Caps |  |  |  | $ 5,300,000 |  |  |  |
2016 Caps | September 2020 |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Notional amounts |  |  |  | 150,000,000 |  |  |  |
2016 Caps | October 2020 |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Notional amounts |  |  |  | $ 350,000,000 |  |  |  |
Property and equipment, net | Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | P3Y |  |  |  |
Property and equipment, net | Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | P15Y |  |  |  |
Leasehold Improvements | Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | P3Y |  |  |  |
Leasehold Improvements | Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | 15 |  |  |  |
2016 Caps | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 2.00% |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Deferred financing costs, net of accumulated amortization |  |  |  | $ 1,200,000 |  |  |  |
Total credit facilities outstanding |  |  |  | 41,000,000 |  | $ 28,000,000 |  |
RadNet | Santa Monica Imaging Group |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Ownership percentage | 35.00% |  |  |  |  |  | 40.00% |
Loss on economic interest transaction | $ 2,000 |  |  |  |  |  |  |
Cedars Sinai Medical Center | Santa Monica Imaging Group |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  | 60.00% |
Additional equity interest acquired | 5.00% |  |  |  |  |  |  |
Investment owned, value | $ 134,000 |  |  |  |  |  |  |
Dignity Health | Glendale Advanced Imaging | Joint Venture | Minimum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  |  |  | 25.00% |  |
Dignity Health | Glendale Advanced Imaging | Joint Venture | Maximum |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  |  |  | 55.00% |  |
Promissory Note |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Convertible promissory note |  |  |  | $ 100,000 |  | $ 199,000 |  |
Promissory Note | Turner Imaging |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |
Convertible promissory note | $ 143,000 |  |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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