Segment Disclosure (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 17,791	[1]	$ 25,182	[1]
Gross Profit	8,647	[2]	11,776	[2]
Segment contribution margin	(3,721)		(3,199)
Litigation Charges	0		(3,452)
Restructuring charges	0		(2,522)
Interest and other income, net	11		284
Interest Expense, Other	(288)		(321)
Income Tax Expense (Benefit)	(25)		37
Net Loss Attributable to Parent	(3,973)		(9,247)
Grid [Member]
Segment Reporting Information [Line Items]
Revenues	6,867		13,418
Gross Profit	1,909	[2]	4,470	[2]
Segment contribution margin	(2,104)		(1,369)
IIoT [Member]
Segment Reporting Information [Line Items]
Revenues	10,924		11,764
Gross Profit	6,873	[2]	7,464	[2]
Segment contribution margin	2,720		3,064
Shared/ Corporate [Member]
Segment Reporting Information [Line Items]
Revenues	0		0
Gross Profit	0	[2]	0	[2]
Segment contribution margin	(3,454)		(3,511)
Stock compensation [Member]
Segment Reporting Information [Line Items]
Revenues	0		0
Gross Profit	(135)	[2]	(158)	[2]
Segment contribution margin	(883)		(1,383)
Adjustments to reconcile GAAP to reported amounts [Member]
Segment Reporting Information [Line Items]
Revenues	0		0
Segment contribution margin	0		0
Litigation Charges			3,452
Restructuring charges			2,522
Interest and other income, net	11		284
Interest Expense, Other	288		321
Income Tax Expense (Benefit)	$ (25)		$ 37

[1] Includes related party amounts of $1,549 and $1,890 for the three months ended March 31, 2014 and 2013, respectively. See Note 12 for additional information on related par

[2] 1 Represents unallocated share based compensation expenses considered in GAAP results as part of cost of revenues, but excluded from segment gross profit calculation as presented to the CODM. This amount has been presented to reconcile the segment gross profit to total gross profit presented in the Condensed Consolidated Statement of Operations