v3.10.0.1

STATEMENTS OF CASH FLOWS Table 1 - Changes in Current Assets and Current Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Decrease (increase) in current assets:
Accounts receivable	$ 34,518	$ 48,875
Receivable from related party	130	231
Inventories	(1,233)	13,005
Other current assets	(2,494)	(2,388)
Increase (decrease) in current liabilities:
Accounts payable	5,149	(57,822)
Accrued interest payable	(4,325)	6,234
Accrued liabilities	10,476	(14,703)
Taxes other than income tax	1,329	(3,094)
Income tax payable	(817)	(5,682)
Changes in current assets and current liabilities	$ 42,733	$ (15,344)

X

- Definition

Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

+ References

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-Publisher FASB
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- Definition

The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.

+ References

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.

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-Publisher FASB
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The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity.

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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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Amount of increase (decrease) in operating assets classified as other.

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