Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended			6 Months Ended	12 Months Ended			0 Months Ended	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 RaidCore technology	Dec. 31, 2011 RaidCore technology	Dec. 31, 2011 NAS technology	Dec. 31, 2011 Software	Sep. 30, 2011 Cloverleaf Communications, Inc.	Jun. 30, 2012 Cloverleaf Communications, Inc. Cost of goods sold Software	Dec. 31, 2011 Cloverleaf Communications, Inc. Cost of goods sold Software	Dec. 31, 2011 Cloverleaf Communications, Inc. Cost of goods sold Trade name
Finite-Lived Intangible Assets
Estimated Useful Life						4 years	4 years	3 years	3 years
Gross	$ 4,256,000		$ 4,256,000		$ 6,520,000	$ 4,256,000	$ 4,256,000	$ 214,000	$ 2,050,000
Accumulated Amortization	(4,011,000)		(4,011,000)		(3,919,000)	(4,011,000)	(3,477,000)	(214,000)	(228,000)
Net	245,000		245,000		2,601,000	245,000	779,000	0	1,822,000
Impairment charges, intangible assets			1,647,000	0						2,900,000	1,600,000	2,800,000	100,000
Amortization expense, intangible assets	1,000,000	500,000	700,000	300,000
2012 (Remaining 3 months)	245,000		245,000
Thereafter	$ 0		$ 0