Intangible Assets (Details) (USD $)	12 Months Ended									6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Cloverleaf Communications, Inc. [Member]	Dec. 31, 2012 RaidCore technology [Member]	Dec. 31, 2011 RaidCore technology [Member]	Dec. 31, 2011 NAS technology [Member]	Dec. 31, 2011 Software [Member]	Dec. 31, 2011 Trade name [Member] Cloverleaf Communications, Inc. [Member]	Jun. 30, 2012 Cost of goods sold [Member] Cloverleaf Communications, Inc. [Member]
Finite-Lived Intangible Assets
Estimated Useful Life					4 years	4 years	3 years	3 years
Gross	$ 4,256,000	$ 6,520,000			$ 4,256,000	$ 4,256,000	$ 214,000	$ 2,050,000
Accumulated Amortization	(4,256,000)	(3,919,000)			(4,256,000)	(3,477,000)	(214,000)	(228,000)
Net	0	2,601,000			0	779,000	0	1,822,000
Impairment of intangible assets				2,800,000					100,000	1,600,000
Amortization of intangible assets	$ 1,100,000	$ 1,100,000	$ 800,000