Consolidated Statements of Shareholders' Equity - USD ($)		Common Stock [Member]		Preferred Stock Series A [Member]		Series B Cumulative Redeemable Preferred Stock [Member]		Additional Paid-In Capital [Member]		Accumulated Other Comprehensive Income (Loss) [Member]		Undistributed Income (Accumulated Deficit) [Member]	Total
Balance at Dec. 31, 2013		$ 2,076,989		$ 91,595,000		$ 0		$ 96,504,643		$ 1,076,898		$ (667,793)	$ 190,585,737
Balance, shares at Dec. 31, 2013		20,769,892
Common Stock Issued with the DRIP		$ 355,419	[1]	0	[1]	0	[1]	32,436,820	[1]	0	[1]	0	32,792,239	[1]
Common Stock Issued with the DRIP, shares	[1]	3,554,191
Common Stock Issued through Restricted Stock Awards		$ 2,500		0		0		(2,500)		0		0	0
Common Stock Issued through Restricted Stock Awards, shares		25,000
Common Stock Issued through Stock Options		$ 2,300		0		0		165,160		0		0	$ 167,460
Common Stock Issued through Stock Options, shares		23,000											(23,000)
Distributions		$ 0		0		0		(19,604,613)		0		(4,237,803)	$ (23,842,416)
Stock Compensation Expense		0		0		0		922,944		0		0	922,944
Net Income		0		0		0		0		0		4,237,803	4,237,803
Unrealized Net Holding Gain on Securities Available for Sale Net of Reclassification Adjustment		0		0		0		0		3,963,183		0	3,963,183
Interest Rate Swaps		0		0		0		0		155		0	155
Balance at Dec. 31, 2014		$ 2,437,208		91,595,000		0		110,422,454		5,040,236		(667,793)	208,827,105
Balance, shares at Dec. 31, 2014		24,372,083
Common Stock Issued with the DRIP	[1]	$ 265,726		0		0		24,334,092		0		0	24,599,818
Common Stock Issued with the DRIP, shares	[1]	2,657,255
Common Stock Issued through Restricted Stock Awards		$ 3,500		0		0		(3,500)		0		0	0
Common Stock Issued through Restricted Stock Awards, shares		35,000
Common Stock Issued through Stock Options		$ 2,250		0		0		167,825		0		0	$ 170,075
Common Stock Issued through Stock Options, shares		22,500											(22,500)
Preferred Stock Issued through Direct Placement, net		$ 0		0		45,030,000		(1,987,876)		0		0	$ 43,042,124
Distributions		0		0		0		(24,159,503)		0		(2,144,205)	(26,303,708)
Stock Compensation Expense		0		0		0		855,768		0		0	855,768
Net Income		0		0		0		0		0		2,144,205	2,144,205
Unrealized Net Holding Gain on Securities Available for Sale Net of Reclassification Adjustment		0		0		0		0		(7,134,947)		0	(7,134,947)
Interest Rate Swaps		0		0		0		0		37,985		0	37,985
Balance at Dec. 31, 2015		$ 2,708,684		91,595,000		45,030,000		109,629,260		(2,056,726)		(667,793)	246,238,425
Balance, shares at Dec. 31, 2015		27,086,838
Common Stock Issued with the DRIP	[1]	$ 196,613		0		0		22,204,332		0		0	22,400,945
Common Stock Issued with the DRIP, shares	[1]	1,966,133
Common Stock Issued through Restricted Stock Awards		$ 6,050		0		0		(6,050)		0		0	0
Common Stock Issued through Restricted Stock Awards, shares		60,500
Common Stock Issued through Stock Options		$ 27,750		0		0		2,457,310		0		0	$ 2,485,060
Common Stock Issued through Stock Options, shares		277,500											(277,500)
Cancellation of Shares Due to Restricted Stock Forfeitures		$ (216)		0		0		216		0		0	$ 0
Cancellation of Shares Due to Restricted Stock Forfeitures, shares		(2,160)
Preferred Stock Issued through Direct Placement, net		$ 0		0		50,000,000		(879,147)		0		0	49,120,853
Distributions		0		0		0		(23,047,908)		0		(11,534,559)	(34,582,467)
Stock Compensation Expense		0		0		0		1,064,678		0		0	1,064,678
Net Income		0		0		0		0		0		11,534,559	11,534,559
Unrealized Net Holding Gain on Securities Available for Sale Net of Reclassification Adjustment		0		0		0		0		18,772,197		0	18,772,197
Interest Rate Swaps		0		0		0		0		(2,283)		0	(2,283)
Balance at Dec. 31, 2016		$ 2,938,881		$ 91,595,000		$ 95,030,000		$ 111,422,691		$ 16,713,188		$ (667,793)	$ 317,031,967
Balance, shares at Dec. 31, 2016		29,388,811

[1] Dividend Reinvestment and Stock Purchase Plan.