4. FACILITY ACQUISITIONS, ASSETS HELD FOR SALE (Details Narrative) $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($)
Beach Imaging Group, LLC [Member]
Payments to acquire business	$ 22,300
Fixed assets acquired	$ 16,800
Percentage of voting acquired	60.00%
Imaging Services Company [Member]
Fixed assets acquired	$ 874
Purchase consideration	5,800
Imaging Services Company [Member] \| Propery and equipment, net [Member]
Fixed assets acquired	2,100
Imaging Services Company [Member] \| Covenant not to compete [Member]
Fixed assets acquired	100
Womens Imaging Specialists [Member]
Purchase consideration	5,100
Womens Imaging Specialists [Member] \| Propery and equipment, net [Member]
Fixed assets acquired	628
Womens Imaging Specialists [Member] \| Covenant not to compete [Member]
Fixed assets acquired	383
Valley Metabolic Imaging LLC [Member]
Purchase consideration	1,700
Valley Metabolic Imaging LLC [Member] \| Propery and equipment, net [Member]
Fixed assets acquired	22
Valley Metabolic Imaging LLC [Member] \| Covenant not to compete [Member]
Fixed assets acquired	183
Sierra Imaging Associates LLC [Member]
Purchase consideration	1,500
Sierra Imaging Associates LLC [Member] \| Propery and equipment, net [Member]
Fixed assets acquired	270
Sierra Imaging Associates LLC [Member] \| Covenant not to compete [Member]
Fixed assets acquired	83
Goodwill [Member] \| Imaging Services Company [Member]
Fixed assets acquired	2,700
Goodwill [Member] \| Womens Imaging Specialists [Member]
Fixed assets acquired	4,100
Goodwill [Member] \| Valley Metabolic Imaging LLC [Member]
Fixed assets acquired	1,500
Goodwill [Member] \| Sierra Imaging Associates LLC [Member]
Fixed assets acquired	$ 1,100

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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