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FAIR VALUE ACCOUNTING (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Liabilities:
Long term debt	$ 49,400	$ 49,200
Recurring
Assets:
Investments	5,147	3,131
Recurring | Level 1
Assets:
Investments	4,354	2,718
Recurring | Level 2
Assets:
Investments	793	413
Marketable equity securities | Recurring
Assets:
Investments	4,354	2,718
Marketable equity securities | Recurring | Level 1
Assets:
Investments	4,354	2,718
Warrants | Recurring
Assets:
Investments	793	413
Warrants | Recurring | Level 2
Assets:
Investments	$ 793	$ 413

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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