Accrued Expenses and Other Liabilities - Changes in Warranty Accrual (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning warranty liability			$ 1,577,937
Ending warranty liability	$ 2,199,803	$ 1,173,751	2,199,803	$ 1,173,751
Homebuilding Segment [Member]
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning warranty liability	1,778,822	838,211	1,276,946	810,088
Warranty provision	192,023	96,362	754,422	147,169
Warranty payments	(68,483)	(18,314)	(129,006)	(40,998)
Ending warranty liability	1,902,362	916,259	1,902,362	916,259
Fee Building Segment [Member]
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning warranty liability	299,954	262,254	300,991	264,210
Warranty payments	(2,513)	(4,762)	(3,550)	(6,718)
Ending warranty liability	$ 297,441	$ 257,492	$ 297,441	$ 257,492