Condensed Consolidated Statement of Stockholders' Equity - 3 months ended Mar. 31, 2018 - USD ($)	Total		Preferred Stock	Common Stock	Additional Paid in Capital	Accumulated Other Comprehensive Income (Loss)	Cumulative Distributions to Stockholders	Accumulated Earnings (Deficit)
Balance (in shares) at Dec. 31, 2017			1,610,000	22,143,758
Balance at Dec. 31, 2017	$ 145,791,277	[1]	$ 37,156,972	$ 221,393	$ 224,048,169	$ (12,617,794)	$ (104,650,235)	$ 1,632,772
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net (in shares)				1,539,406
Issuance of common stock, net	7,342,967			$ 15,394	7,327,573
Cost of issuing common stock	(32,383)				(32,383)
Restricted stock compensation expense	4,804				4,804
Net income	11,315,000							11,315,000
Increase (decrease) in net unrealized gain (loss) on available-for-sale securities, net	(12,154,936)					(12,154,936)
Reclassification adjustment for net gain (loss) included in net income (loss)	1,289,589					1,289,589
Common dividends declared	(2,314,686)						(2,314,686)
Preferred dividends declared	(880,509)						(880,509)
Balance (in shares) at Mar. 31, 2018			1,610,000	23,683,164
Balance at Mar. 31, 2018	$ 150,361,123	[1]	$ 37,156,972	$ 236,787	$ 231,348,163	$ (23,483,141)	$ (107,845,430)	$ 12,947,772

[1] Our consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of March 31, 2018 and December 31, 2017, assets of consolidated VIEs totaled $1,223,232,702 and $1,255,404,335 respectively, and the liabilities of consolidated VIEs totaled $1,197,735,060 and $1,228,295,517 respectively