Mortgage Loans (Schedule of Mortgage Loans at Fair Value) (Details) (Mortgage Receivable [Member], USD $)	Jun. 30, 2013		Dec. 31, 2012
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 120,783,425
Principal Balance	151,108,199	[1]
Difference	(30,324,774)
Performing Loans [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	119,574,847
Principal Balance	149,303,096
Difference	(29,728,249)
Fixed [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	59,118,932
Principal Balance	75,383,607
Difference	(16,264,675)
ARM [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	60,455,915
Principal Balance	73,919,489
Difference	(13,463,574)
Nonperforming Loans [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	1,208,578
Principal Balance	1,805,103
Difference	(596,525)
Fair value of loans on non-accrual status	358,000
Principal balance of loans on non-accrual status	$ 555,000

[1] Non-Agency RMBS includes an IO with a notional balance of $80.0 million.