4. FACILITY ACQUISITIONS AND ASSETS HELD FOR SALE (Details Narrative) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Proceeds from sale of business	$ 5,627,000	$ 0
Transfer of fixed assets to new joint venture	2,500,000	$ 0
Rhode Island Medical Imaging, Inc [Member]
Proceeds from sale of business	4,500,000
Gain on sale of investment	1,900,000
Oncology practices [Member]
Proceeds from sale of business	1,200,000
Gain on sale of investment	361,000
Stockton MRI, Inc [Member]
Consideration transferred	4,400,000
Fixed assets acquired	1,200,000
Goodwill acquired	3,100,000
Intangible assets acquired	50,000
D&D Diagnostics, Inc [Member]
Consideration transferred	2,400,000
Payments to acquire business	1,200,000
Payoff of debt	1,200,000
Fixed assets acquired	820,000
Other assets acquired	16,000
Goodwill acquired	1,500,000
MRI Centers, Inc. [Member]
Consideration transferred	800,000
Payoff of debt	81,000
Fixed assets acquired	289,000
Other assets acquired	9,800
Goodwill acquired	401,000
Intangible assets acquired	100,000
Resolution Imaging Medical Corp [Member]
Consideration transferred	4,000,000
West Valley Imaging Center [Member]
Proceeds from sale of business	5,900,000
Proceeds in excess of book value	1,800,000
Santa Monica Imaging Group [Member]
Payments to acquire business	80,000
Transfer of fixed assets to new joint venture	$ 2,500,000
Equity Method Investment, Ownership Percentage	40.00%
ScriptSender LLC [Member]
Transfer of fixed assets to new joint venture	$ 3,000,000
Equity Method Investment, Ownership Percentage	49.00%
Carrying amount of investment	$ 2,800,000