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RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
New Accounting Pronouncement, Early Adoption [Line Items]
Net change in cash, cash equivalents and restricted cash	$ 5,798	$ (4,567)	$ 2,591
Cash, cash equivalents and restricted cash, beginning of period	10,668	15,235	12,644
Cash, cash equivalents and restricted cash, end of period	16,466	10,668	15,235
Adjustments for New Accounting Principle, Early Adoption
New Accounting Pronouncement, Early Adoption [Line Items]
Net change in cash, cash equivalents and restricted cash	0	(60)
Cash, cash equivalents and restricted cash, beginning of period	719	779
Cash, cash equivalents and restricted cash, end of period	719	719	779
Previously reported
New Accounting Pronouncement, Early Adoption [Line Items]
Net change in cash, cash equivalents and restricted cash	5,798	(4,507)
Cash, cash equivalents and restricted cash, beginning of period	9,949	14,456
Cash, cash equivalents and restricted cash, end of period	$ 15,747	$ 9,949	$ 14,456

X

- Definition

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585

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Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 230
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906

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-Name Accounting Standards Codification
-Topic 230
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-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585

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No definition available.

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