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Inventories

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventories and the related changes in the allowance for excess and obsolete inventories are as follows:

	December 31,
	2017				2016
	(in thousands)
Raw materials	$	57,784			$	43,438
Work in process	5,957				2,279
Finished goods	8,163				3,017
	71,904				48,734
Less:  Allowance for excess and obsolete inventories	(1,118		)		(1,382		)
Total, net	$	70,786			$	47,352

	Years Ending December 31,
	2017				2016				2015
Allowance for excess and obsolete inventories:	(in thousands)
Balance, beginning of period	$	1,382			$	757			$	714
Provisions for excess and obsolete inventories	102				625				178
Inventories written off	(366		)		—				(135		)
Balance, end of period	$	1,118			$	1,382			$	757

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- References

No definition available.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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