Segment Disclosure Segment Reporting, Reporting by Segment (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Reporting Information [Line Items]
Revenues	$ 86,160,000	[1]	$ 134,017,000	[1]	$ 156,487,000	[1]
Gross Profit	43,157,000		56,455,000		67,162,000
Segment contribution margin	(9,388,000)
Restructuring charges	(2,522,000)		(1,176,000)		0
Litigation charges	(3,452,000)		0		0
Interest and other income (expense), net	(702,000)		(362,000)		6,000
Interest Expense, Other	(1,235,000)		(1,360,000)		(1,468,000)
Income Tax Expense	311,000		219,000		329,000
Net loss Attributable to Parent	(17,610,000)		(12,818,000)		(13,000,000)
Grid [Member]
Segment Reporting Information [Line Items]
Revenues	40,303,000		85,241,000		99,428,000
Gross Profit	13,891,000
Segment contribution margin	(5,446,000)
Depreciation	1,700,000
IIoT [Member]
Segment Reporting Information [Line Items]
Revenues	45,857,000		48,776,000		57,059,000
Gross Profit	29,506,000
Segment contribution margin	12,272,000
Depreciation	735,000
Shared/ Corporate [Member]
Segment Reporting Information [Line Items]
Segment contribution margin	(13,676,000)
Depreciation	1,500,000
Stock compensation [Member]
Segment Reporting Information [Line Items]
Gross Profit	(240,000)	[2]
Segment contribution margin	(2,538,000)
Adjustments to reconcile GAAP to reported amounts [Member]
Segment Reporting Information [Line Items]
Restructuring charges	2,522,000
Litigation charges	3,452,000
Interest and other income (expense), net	(702,000)
Interest Expense, Other	(1,235,000)
Income Tax Expense	$ 311,000

[1] 1 Includes related party amounts of $11,763 in 2013, $6,458 in 2012, and $7,119 in 2011. See Note 12 for additional information on related party transactions.

[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 Consolidated Statement of Operations.