v3.8.0.1

PROPERTY AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 18,334	$ 15,809
Less: accumulated depreciation	(7,943)	(7,217)
Total property and equipment, net	10,391	8,592
Depreciation expense	2,159	1,867	$ 1,848
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,435	1,435
Building and building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,053	1,053
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	970	1,509
Office and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	614	430
Instruments
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,666	8,228
Sample inventory
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,619	1,488
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,977	$ 1,666

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
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Section S99
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X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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