Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

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

The changes in the carrying amount of identifiable intangible assets, net for the years ended December 31, 2015 and 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
Amortization	$	(230	)
Balance as of December 31, 2015	$	1,183

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, 2015 (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	$	169	$	631	5.13
Customer relationships	500		106		394		5.13
Trade names	200		42		158		5.13
Total	$	1,500	$	317	$	1,183	5.13

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill, net, for the years endedDecember 31, 2015 and 2014 are as follows (in thousands):

	Total
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
Unrealized foreign currency translation loss	(238		)
Goodwill impairment	(5,698		)
Balance as of December 31, 2015	$	—

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 years ended December 31, 2015 and 2014 (in thousands):

	Year ended December 31,
	2015		2014
Cost of revenues	$	123	$	46
Operating expenses	107		41
Total	$	230	$	87