CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Cash Flow from Operating Activities:
Net Income			$ 25,371,379	$ 17,392,200
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	$ 3,857,240	$ 3,161,169	11,612,557	9,139,434
Amortization of Intangible Liabilities to Income Property Revenue	(600,000)	(552,000)	(1,779,031)	(1,632,881)
Loan Cost Amortization	103,000	125,000	389,656	350,292
Amortization of Discount on Convertible Debt	321,000	301,000	947,419	888,851
Gain on Disposition of Property, Plant, and Equipment and Intangible Assets		266	(22,035,666)	266
Impairment Charges	1,119,362		1,119,362	0
Accretion of Commercial Loan Origination Fees			(34,768)	(10,144)
Deferred Income Taxes			8,345,475	12,090,118
Non-Cash Compensation			1,283,434	1,142,090
Decrease (Increase) in Assets:
Refundable Income Taxes			491,821	(566,721)
Land and Development Costs			3,090,301	11,204,943
Impact Fees and Mitigation Credits			586,343	1,057,469
Other Assets			(2,139,265)	895,466
Increase (Decrease) in Liabilities:
Accounts Payable			(1,035,771)	(210,292)
Accrued and Other Liabilities			(4,194,651)	(1,984,999)
Deferred Revenue			600,929	(678,641)
Net Cash Provided By Operating Activities			22,619,524	49,077,451
Cash Flow from Investing Activities:
Acquisition of Property, Plant, and Equipment and Intangible Lease Assets and Liabilities			(29,399,109)	(49,689,555)
Acquisition of Commercial Loan Investments				(2,940,000)
Acquisition of Land			(3,794,058)
Cash Contribution for Interest in Joint Venture			(2,087,521)
Proceeds from Disposition of Property, Plant, and Equipment			26,377,525
Principal Payments Received on Commercial Loan Investments			11,960,467
Net Cash Provided By (Used In) Investing Activities			3,057,304	(52,629,555)
Cash Flow from Financing Activities:
Proceeds from Long-Term Debt			36,300,000	24,500,000
Payments on Long-Term Debt			(55,830,473)	(17,800,000)
Cash Paid for Loan Fees			(263,473)	(532,814)
Cash Proceeds from Exercise of Stock Options and Stock Issuance			372,248	841,775
Cash Used to Purchase Common Stock			(3,977,005)	(7,136,494)
Cash Paid for Vesting of Restricted Stock			(498,374)	(261,621)
Dividends Paid			(1,049,002)	(722,033)
Net Cash Used In Financing Activities			(24,946,079)	(1,111,187)
Net Decrease (Increase) in Cash			730,749	(4,663,291)
Cash, Beginning of Year			13,067,540	17,635,031
Cash, End of Period	13,798,289	12,971,740	13,798,289	12,971,740
Reconciliation of Cash to the Consolidated Balance Sheets:
Cash and Cash Equivalents	5,320,493	5,944,544	5,320,493	5,944,544
Restricted Cash	8,477,796	7,027,196	8,477,796	7,027,196
Total Cash as of September 30, 2018 and 2017, respectively	$ 13,798,289	$ 12,971,740	$ 13,067,540	$ 17,635,031