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4. Intangible Assets and Goodwill (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Amortization expense	$ 20	$ 20	$ 40	$ 40
Intangible assets	1,496		1,496
Goodwill	1,000		1,000
Patents
Intangible assets	1,000		1,000
In-process research and development
Intangible assets	$ 600		$ 600

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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