Long-Term Debt (Debt Instrument Covenant For GE) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net loss per financial statements	$ (1,365)	$ 1,699	$ 2,378	$ (4,065)	$ (6,423)	$ (2,266)	$ 2,440	$ (3,971)	$ (1,353)	$ (10,220)	$ (17,477)
Interest expense per financial statements - continuing operations	1,546	1,479	1,465	1,473	1,477	1,377	1,388	1,449	5,963	5,691	5,860
GE [Member]
Net loss per financial statements									(1,353)
Net adjustments per loan agreement									6,712
Adjusted EBITDA per loan agreement (A)									5,359
Interest expense per financial statements - continuing operations									6,421
Interest expense per financial statements - discontinued operations									3,020
Total interest expense per financial statements									9,441
Net adjustments per loan agreement									(5,334)
Fixed charges per loan agreement (B)									4,107
Loan-specific fixed charge coverage ratio	1.30								1.30
Loan balance (A)	38,521								38,521
Value (B)	55,120								55,120
Loan-specific loan to value ratio	69.90%								69.90%
Net adjustments per loan agreement									12,398
Adjusted EBITDA per loan agreement (A)									11,045
Net adjustments per loan agreement									1,447
Fixed charges per loan agreement (B)									10,888
Before dividend consolidated fixed charge coverage ratio	1.01								1.01
Net adjustments per loan agreement									12,398
Adjusted EBITDA per loan agreement (A)									11,045
Fixed charges per loan agreement (B)									14,237
Net adjustments per loan agreement									$ 4,796
After dividend consolidated fixed charge coverage ratio	0.78								0.78
Minimum [Member]
Required before dividend consolidated fixed charge coverage ratio									1.20
Minimum [Member] | GE [Member]
Required loan-specific fixed charge coverage ratio									1.30
Loan-specific fixed charge coverage ratio	1.30								1.30
Required before dividend consolidated fixed charge coverage ratio									1.20
Before dividend consolidated fixed charge coverage ratio	1.01								1.01
Required after dividend consolidated fixed charge coverage ratio									1.00
After dividend consolidated fixed charge coverage ratio	0.78								0.78
Maximum [Member] | GE [Member]
Required loan specific loan to value ratio									72.2