Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ 1,197,850	$ 1,250,423
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Depreciation and amortization expense	3,056,181	2,634,551
Provision for loss on receivables	476,350	710,690
Non-cash loss on derivatives	780,497	888,554
Gain on sale of bonds	(667,821)	0
Bond discount amortization	(215,777)	(241,075)
Gain on asset sold	0	(21,103)
Debt forgiveness	0	(104,988)
Changes in operating assets and liabilities, net of effect of acquisitions
Increase (decrease) in interest receivable	(1,073,526)	(1,417,399)
Decrease (increase) in other assets	262,683	(551,180)
Increase (decrease) in accounts payable and accrued expenses	90,823	(62,587)
Net cash provided (used) by operating activities	3,907,260	3,085,886
Cash flows from investing activities:
Capital expenditures	(3,744,461)	(2,634,679)
Acquisition of tax-exempt mortgage revenue bonds	(10,164,815)	(20,917,500)
Acquisition of partnerships, net of cash acquired	0	(24,779,613)
Proceeds from assets sold	0	36,500
Decrease (increase) in restricted cash	208,195	148,366
Restricted cash - debt collateral released	7,248,436	291,719
Cash released upon foreclosure	0	2,047,161
Proceeds from the sale of bonds	16,829,960	0
Proceeds from bond retirement	0	6,119,573
Transfer of cash to deconsolidated VIE upon deconsolidation	0	(5,135)
Principal payments received on taxable bonds	95,000	0
Principal payments received on tax-exempt mortgage revenue bonds	499,134	278,963
Net cash provided (used) by investing activities	10,971,449	(39,414,645)
Cash flows from financing activities:
Distributions paid	(7,714,741)	(7,606,800)
Proceeds from Issuance of Common Stock	59,948,265	0
Net proceeds from equity raise of noncontrolling interest	4,037	0
Increase (decrease) in liabilities related to restricted cash	(208,195)	(148,366)
Proceeds from debt financing	3,167,342	32,128,584
Proceeds from line of credit borrowing	0	1,000,000
Deferred financing costs	(34,188)	(40,275)
Principal payments on debt financing	(8,345,000)	(285,000)
Principal payments on debt financing and mortgage payable	(100,491)	(98,034)
Net cash (used) provided by financing activities	46,717,029	24,950,109
Net increase (decrease) in cash and cash equivalents	61,595,738	(11,378,650)
Cash and cash equivalents at beginning of period, including discontinued operations	20,213,413	13,277,048
Cash and cash equivalents at end of period, including discontinued operations	81,809,151	1,898,398
Cash paid during the period for interest	2,077,832	2,500,829
Distributions declared but not paid	5,562,518	3,866,940
Capital expenditures financed through notes payable	$ 73,765	$ 8,934,328