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4. FACILITY ACQUISITIONS, ASSETS HELD FOR SALE AND DISPOSITIONS (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Common stock issued for acquisition | $ 2,500 |  | $ 9,241
Goodwill acquired | 256,776 | $ 239,553 | 239,408
Proceeds from sale of business | 8,429 | 0 | 35,500
Severance costs | 1,821 | 2,877 | $ 745
Joint Venture [Member] | Park West [Member] |  |  |
Payments to acquire business |  | $ 1,200 |
Non-controlling interest percenatge |  | 47.60% |
Ownership percentage |  | 100.00% | 52.40%
Advanced Imaging at Timonium [Member] |  |  |
Proceeds from sale of business | 3,900 |  |
Proceeds in excess of book value | 2,800 |  |
Transfer of fixed assets to new joint venture | 1,100 |  |
Rhode Island Medical Imaging, Inc [Member] |  |  |
Proceeds from sale of business | 4,500 |  |
Gain on sale of investment | 1,900 |  |
West Valley Imaging Center [Member] |  |  |
Proceeds from sale of business | 5,900 |  |
Proceeds in excess of book value | 1,800 |  |
Transfer of fixed assets to new joint venture | 3,000 |  |
Oncology practices [Member] |  |  |
Proceeds from sale of business | 1,200 |  |
Gain on sale of investment | 361 |  |
RadSite, LLC [Member] |  |  |
Payments to acquire business | 856 |  |
Common stock issued for acquisition | 1,000 |  |
Fixed assets acquired | 91 |  |
Current assets acquired | 25 |  |
Liabilities acquired | 75 |  |
Intangible assets acquired | 150 |  |
Remote Diagnostic Imaging P.L.L.C. [Member] |  |  |
Consideration transferred | 3,900 |  |
Fixed assets acquired | 2,600 |  |
Goodwill acquired | 1,200 |  |
Intangible assets acquired | 50 |  |
Diagnostic Imaging Associates [Member] |  |  |
Payments to acquire business | 13,000 |  |
Common stock issued for acquisition | 1,500 |  |
Fixed assets acquired | 3,100 |  |
Current assets acquired | 1,200 |  |
Goodwill acquired | 10,200 |  |
Stockton MRI, Inc [Member] |  |  |
Consideration transferred | 4,400 |  |
Fixed assets acquired | 1,200 |  |
Goodwill acquired | 3,100 |  |
Intangible assets acquired | 50 |  |
D&D Diagnostics, Inc [Member] |  |  |
Consideration transferred | 2,400 |  |
Payments to acquire business | 1,200 |  |
Payoff of debt | 1,200 |  |
Fixed assets acquired | 820 |  |
Other assets acquired | 16 |  |
Goodwill acquired | 1,500 |  |
MRI Centers, Inc. [Member] |  |  |
Consideration transferred | 800 |  |
Payoff of debt | 81 |  |
Fixed assets acquired | 289 |  |
Other assets acquired | 9,800 |  |
Goodwill acquired | 401 |  |
Intangible assets acquired | 100 |  |
Resolution Imaging Medical Corp [Member] |  |  |
Consideration transferred | 4,000 |  |
Advanced Radiological Imaging - Astoria P.C. [Member] |  |  |
Consideration transferred | 5,000 |  |
Fixed assets acquired | 3,600 |  |
Other assets acquired | 47 |  |
Goodwill acquired | 1,300 |  |
Intangible assets acquired | 100 |  |
Breastlink Medical [Member] |  |  |
Proceeds from sale of business | 2,800 |  |
Gain on sale of investment | 845 |  |
Severance costs | $ 1,200 |  |

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