Notes Payable (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Notes payable, Gross	$ 1,328,000	$ 1,348,000
Less current portion of notes payable	(66,000)	(62,000)
Notes payable, net of current portion	1,262,000	1,286,000
Future Minimum Principal Payments
2013	66,000
2014	16,000
2015	8,000
2016	1,238,000
Thereafter
Total	1,328,000
PrimePlusThreePercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	1,238,000	1,238,000
TenPercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	40,000	40,000
EightPointTwoFivePercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	11,000	18,000
TenPointFiveZeroPercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	8,000	12,000
SevenPointNineOnePercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	14,000	18,000
SevenPointTwoFourPercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	$ 17,000	$ 22,000