Quarterly Financial Data (Details) (USD $)	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues	$ 48,174,000		$ 50,805,000		$ 49,964,000		$ 43,799,000		$ 50,138,000		$ 54,109,000		$ 65,438,000		$ 68,178,000		$ 192,742,000	$ 237,863,000	$ 286,096,000	[1]
Gross Profit	13,950,000		14,697,000		12,007,000		11,148,000		10,853,000		14,166,000		19,464,000		19,655,000		51,802,000	64,138,000	88,039,000	[1]
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(4,304,000)	[2]	(4,103,000)	[2]	(7,429,000)	[2]	(9,464,000)	[2]	(13,947,000)	[2]	(11,996,000)	[2]	(3,273,000)	[2]	(5,550,000)	[2]	(25,089,000)	(34,449,000)	(40,884,000)	[1]
Net income (loss)	(4,467,000)	[2]	(4,469,000)	[2]	(8,211,000)	[2]	(10,434,000)	[2]	(26,015,000)	[2]	(12,720,000)	[2]	(4,112,000)	[2]	(6,557,000)	[2]	(27,581,000)	(49,404,000)	(43,474,000)	[1]
Earnings Per Share, Basic	$ (0.12)		$ (0.12)		$ (0.23)		$ (0.35)		$ (0.89)		$ (0.44)		$ (0.14)		$ (0.23)		$ (0.79)	$ (1.72)	$ (1.60)	[1]
Earnings Per Share, Diluted	$ (0.12)		$ (0.12)		$ (0.23)		$ (0.35)		$ (0.89)		$ (0.44)		$ (0.14)		$ (0.23)		$ (0.79)	$ (1.72)	$ (1.60)	[1]
Valuation Allowance, Deferred Tax Asset, Change in Amount																	0	(12,476,000)	0
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal																	0	1,532,000	0
Impairment of goodwill																	0	0	29,748,000	[1]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings																	39,000	187,000
Fair Value, Inputs, Level 3 [Member] | Re-Measurement of Liability [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings																	(156,000)	(1,891,000)
Software [Member]
Impairment of Long-Lived Assets Held-for-use																		2,900,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal																		$ 1,500,000

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[2] The comparability of our income (loss) from operations and net income (loss) per share was affected by the following unusual income or expense items:•During the fourth quarter of 2013, the Company recorded a $12.5 million loss associated with the establishment of a valuation allowance against certain of the Company's foreign deferred tax assets.•During the first quarter of 2013, the Company recorded a $2.9 million loss associated to the write off of the Company's Security Gateway ("SEG") purchased computer software due to management's decision to abandon future development of this technology.•During the first quarter of 2013, the Company recorded a $1.5 million gain associated with the the sale of the Company's OS-9 software assets.