Fair Value of Financial Instruments (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Assets, Carrying Value:
Cash, cash equivalents, restricted cash, Carrying Value	$ 10,352,000	$ 10,614,000
Receivables, Carrying Value	4,821,000	4,107,000
Preferred stock investment, Carrying Value	2,687,000	2,687,000
Total, Carrying Value	17,860,000	17,408,000
Liabilities, Carrying Value
Accounts payable and other accrued liabilities, Carrying Value	2,541,000	1,979,000
Advances on line of credit, Carrying Value	8,550,000	8,550,000
Debt obligations, Carrying Value	32,938,000	34,684,000
Total, Carrying Value	44,029,000	45,213,000
Assets, Fair Value:
Cash, cash equivalents, restricted cash, Fair Value	10,352,000	10,614,000
Receivables, Fair Value	4,821,000	4,107,000
Preferred stock investment, Fair Value	1,300,000	1,300,000
Total, Fair Value	16,473,000	16,021,000
Liabilities, Fair Value
Accounts payable and other accrued liabilities, Fair Value	2,541,000	1,979,000
Advances on line of credit, Fair Value	8,550,000	8,550,000
Debt obligations, Fair Value	32,986,000	34,577,000
Total, Fair Value	44,077,000	45,106,000
Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value:
Cash, cash equivalents, restricted cash, Fair Value	10,352,000	10,614,000
Receivables, Fair Value	4,821,000	4,107,000
Total, Fair Value	15,173,000	14,721,000
Liabilities, Fair Value
Accounts payable and other accrued liabilities, Fair Value	2,541,000	1,979,000
Advances on line of credit, Fair Value	8,550,000	8,550,000
Total, Fair Value	11,091,000	10,529,000
Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value:
Preferred stock investment, Fair Value	1,300,000	1,300,000
Total, Fair Value	1,300,000	1,300,000
Liabilities, Fair Value
Total, Fair Value	0	0
Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value:
Total, Fair Value	0	0
Liabilities, Fair Value
Debt obligations, Fair Value	32,986,000	34,577,000
Total, Fair Value	$ 32,986,000	$ 34,577,000