Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The changes in the carrying amount of identifiable intangible assets, net for the year endedDecember 31, 2014 is as follows (in thousands):

	Total
Balance as of December 31, 2013	$	—
Intangible assets acquired	1,500
Amortization	(87		)
Balance as of December 31, 2014	$	1,413

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

The following table presents the details of the Company's finite-lived intangible assets as of December 31, 2014 (in thousands, except for weighted-average remaining useful life):

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Weighted-Average Remaining Useful Life (in years)
Developed technology	$	800	$	46	$	754	6.12
Customer relationships	500		29		471		6.12
Trade names	200		12		188		6.12
Total	$	1,500	$	87	$	1,413	6.12

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill, net, for the years endedDecember 31, 2014 and 2013 are as follows (in thousands):

	Total
Balance as of December 31, 2012	$	8,276
Unrealized foreign currency translation gain	114
Balance as of December 31, 2013	8,390
Unrealized foreign currency translation loss	(323		)
Goodwill impairment - Grid division	(3,388		)
Goodwill associated with Lumewave acquisition	1,257
Balance as of December 31, 2014	$	5,936

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

The following table presents the amortization of finite-lived intangible assets included in the Consolidated Statements of Operations for the year ended December 31, 2014 (in thousands):

	Total
Cost of revenues	$	46
Operating expenses	41
Total	$	87