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6. FINANCIAL INSTRUMENTS - Contractual maturities (Details) $ in Thousands	Dec. 31, 2016 USD ($)
FINANCIAL INSTRUMENTS
Maturing within one year, Cost	$ 16,502
Maturing in one to three years, Cost	14,164
Total	30,666
Maturing within one year, Fair Value	16,510
Maturing in one to three years, Fair Value	14,122
Fair Value	$ 30,632

X

- Definition

Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the next two through three years following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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Amount of available-for-sale debt securities at fair value maturing in the next two through three years following the latest fiscal year.

+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
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Amount after adjustments of available-for-sale debt securities at cost, maturing in the next rolling twelve months following the latest balance sheet. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments and fair value hedge accounting adjustments. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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-Name Accounting Standards Codification
-Topic 320
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