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4. Property And Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Property and equipment, gross	$ 47,060	$ 44,727
Less accumulated depreciation	(24,050)	(22,895)
Total property and equipment	23,010	21,832
Land [Member]
Property and equipment, gross	1,747	1,747
Buildings And improvements [Member]
Property and equipment, gross	16,533	16,428
Machinery And Equipment [Member]
Property and equipment, gross	25,465	23,122
Vehicles [Member]
Property and equipment, gross	934	848
Office Equipment [Member]
Property and equipment, gross	728	709
Construction In Progress [Member]
Property and equipment, gross	$ 1,653	$ 1,873

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Section S99
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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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