Notes Payable, Long-Term Debt and Other Financing (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Notes payable, Gross	$ 1,322,000	$ 1,328,000
Less current portion of notes payable	(65,000)	(66,000)
Notes payable, net of current portion	1,257,000	1,262,000
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	8,000	11,000
TenPointFiveZeroPercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	7,000	8,000
SevenPointNineOnePercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	12,000	14,000
SevenPointTwoFourPercentNoteMember
Debt Instrument [Line Items]
Notes payable, Gross	$ 17,000	$ 17,000