Business Combination (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011
Identifiable intangible assets [Abstract]
Remaining value of other current asset following periodic reevaluation	$ 0	$ 0
RightHandIT Corporation [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Accounts receivable	151,000	151,000
Prepaid expense and other current assets	46,000	46,000
Total current assets	197,000	197,000
Property and equipment, net	108,000	108,000
Other assets	28,000	28,000
Acquired assets	333,000	333,000
Other accrued liabilities	(106,000)	(106,000)
Short-term deferred revenue	(49,000)	(49,000)
Assumed liabilities	(155,000)	(155,000)
Net assets assumed	178,000	178,000
Identifiable intangible assets [Abstract]
Amortization period		36 months
Goodwill	619,000	619,000
Total purchase consideration	1,327,000	1,327,000
Other current asset	23,000	23,000
Total cash consideration	1,350,000	1,350,000
Portion of purchase price held as an escrow deposit	300,000	300,000
Probability weighted milestone-based earn-out, fair value disclosure	277,000	277,000
Revised probability weighted milestone based earn out, fair value disclosure	18,000	18,000
Amortization of intangible assets and other related to milestone-based earn-out	0	5,000
Transaction costs	33,000	33,000
Number of milestone criteria to be met		2
RightHandIT Corporation [Member] | Noncompete Agreements [Member]
Identifiable intangible assets [Abstract]
Identifiable intangible assets	70,000	70,000
RightHandIT Corporation [Member] | Customer Base [Member]
Identifiable intangible assets [Abstract]
Identifiable intangible assets	460,000	460,000
SUPERAntiSpyware [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Accounts receivable	5,000	5,000
Prepaid expense and other current assets	6,000	6,000
Other accrued liabilities	(1,000)	(1,000)
Short-term deferred revenue	(491,000)	(491,000)
Assumed liabilities	(481,000)	(481,000)
Identifiable intangible assets [Abstract]
Amortization period		66 months
Goodwill	3,440,000	3,440,000
Total purchase consideration	8,419,000	8,419,000
Other current asset	81,000	81,000
Total cash consideration	8,500,000	8,500,000
Portion of purchase price held as an escrow deposit	1,000,000	1,000,000
Probability weighted milestone-based earn-out, fair value disclosure	919,000	919,000
Revised probability weighted milestone based earn out, fair value disclosure	81,000	81,000
Life of milestone-based earn-out		18 months
Amortization of intangible assets and other related to milestone-based earn-out	38,000	76,000
Transaction costs			363,000
Number of milestone criteria to be met		4
SUPERAntiSpyware [Member] | Technology Rights [Member]
Identifiable intangible assets [Abstract]
Identifiable intangible assets	4,910,000	4,910,000
SUPERAntiSpyware [Member] | Tradenames [Member]
Identifiable intangible assets [Abstract]
Identifiable intangible assets	310,000	310,000
SUPERAntiSpyware [Member] | Noncompete Agreements [Member]
Identifiable intangible assets [Abstract]
Identifiable intangible assets	160,000	160,000
SUPERAntiSpyware [Member] | Customer Base [Member]
Identifiable intangible assets [Abstract]
Identifiable intangible assets	$ 80,000	$ 80,000