Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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-SubTopic 10
-Section 50
-Paragraph 1
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, plant and equipment [Abstract]
Property, plant and equipment, net	$ 46,530	$ 27,805
Depreciation and amortization	4,422	4,865	$ 5,494
Machinery and equipment
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	44,549	41,254
Less: accumulated depreciation and amortization	(40,845)	(37,311)
Building
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	32,461	29,600
Less: accumulated depreciation and amortization	(11,501)	(9,654)
Leasehold improvements
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	5,539	4,942
Less: accumulated depreciation and amortization	(4,288)	(3,608)
Construction in progress
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	20,615	$ 2,582
Construction in progress Dingxin location
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	14,800
Construction in progress manufacturing equipment purchases
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	3,600
Construction in progress other consolidated subsidiaries
Property, plant and equipment [Abstract]
Property, plant and equipment, gross	$ 2,200