Discontinued Operations (Details) (USD $)	3 Months Ended								12 Months Ended					6 Months Ended	12 Months Ended				12 Months Ended		12 Months Ended		3 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Cloverleaf Communications, Inc. [Member]	Dec. 31, 2011 Cloverleaf Communications, Inc. [Member] Trade name [Member]	Jun. 30, 2012 AssuredUVS [Member]	Dec. 31, 2012 AssuredUVS [Member]	Dec. 31, 2011 AssuredUVS [Member]	Dec. 31, 2010 AssuredUVS [Member]	Sep. 30, 2011 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member]	Dec. 31, 2011 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member] Software [Member]	Dec. 31, 2012 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member] Software [Member]	Dec. 31, 2011 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member] Trade name [Member]	Sep. 30, 2011 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member] Trade name [Member]	Sep. 30, 2011 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member] Minimum [Member]	Sep. 30, 2011 AssuredUVS [Member] Cloverleaf Communications, Inc. [Member] Maximum [Member]
Discontinued Operations [Line Items]
Discontinued intangible assets, net															$ 0	$ 1,824,000		$ 5,000,000		$ 4,900,000		$ 100,000
Discontinued property and equipment, net															0	1,031,000		1,200,000
Property, plant and equipment, estimated useful life - discontinued operations																							3 years	5 years
Impaired intangible assets																		2,900,000
Impairment of intangible assets												2,800,000	100,000	1,600,000					2,800,000		100,000
Impairment of property, plant and equipment														200,000
Impairment of goodwill									0	4,140,000	0					4,100,000
Loss from discontinued operations
Net revenue															360,000	1,634,000	656,000
Cost of goods sold															2,501,000	5,284,000	2,011,000
Gross profit															(2,141,000)	(3,650,000)	(1,355,000)
Operating expenses:
Research and development															741,000	4,355,000	3,465,000
Sales and marketing															56,000	651,000	327,000
General and administrative															765,000	762,000	766,000
Restructuring charge (recovery)	0	0	0	0	0	700,000	0	0	(205,000)	668,000	2,089,000				844,000	0	107,000
Goodwill impairment charge															0	4,140,000	0
Total operating expenses															2,406,000	9,908,000	4,665,000
Operating loss															(4,547,000)	(13,558,000)	(6,020,000)
Other income (expense), net															(1,000)	(2,000)	1,000
Loss from discontinued operations									$ (4,548,000)	$ (13,560,000)	$ (6,019,000)				$ (4,548,000)	$ (13,560,000)	$ (6,019,000)