Total costs related to goods produced and sold during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1377-109256

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BASIS OF PREPARATION AND PRESENTATION - ERROR CORRECTION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended					9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016
Error corrections and prior period adjustments restatement
Net income	$ 3,057	$ 709	$ 2,821	$ 3,193	$ 2,355	$ 7,941	$ 8,369
Effect on cost of goods sold	$ 45,422		43,133			$ 131,529	$ 134,274
Previously reported
Error corrections and prior period adjustments restatement
Net income		1,489	2,520	2,942	2,127
Effect of adjustment
Error corrections and prior period adjustments restatement
Effect on cost of goods sold		$ 780	$ (301)	$ (251)	$ (228)
Increase in earnings per share			$ 0.03				$ 0.09