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4. FACILITY ACQUISITIONS AND ASSETS HELD FOR SALE (Details - Assets held for sale) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets held for sale	$ 4,851	$ 2,203
Imaging Institute [Member]
Assets held for sale	2,496
Imaging Institute [Member] | Property and Equipment [Member]
Assets held for sale	1,349
Imaging Institute [Member] | Other Assets [Member]
Assets held for sale	21
Imaging Institute [Member] | Goodwill [Member]
Assets held for sale	$ 1,126

X

- Definition

Amount of assets held-for-sale that are not part of a disposal group.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=77912953&loc=d3e400-110220

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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- Details

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Data Type:	na
Balance Type:
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