Stockholders' Equity (Common Stock) (Details) (USD $)	1 Months Ended			12 Months Ended				12 Months Ended							1 Months Ended		12 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended
	Nov. 30, 2013	Aug. 31, 2013	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jan. 11, 2013	Dec. 31, 2013 Common Stock	Dec. 31, 2012 Common Stock	Dec. 31, 2011 Common Stock	Dec. 31, 2012 7.5% Series A-1 Convertible Preferred Stock	Dec. 31, 2011 7.5% Series A-1 Convertible Preferred Stock	Dec. 31, 2013 7.5% Series A-2 Convertible Preferred Stock Common Stock	Dec. 31, 2013 7.5% Series B Convertible Preferred Stock Common Stock	Aug. 31, 2013 Common Stock	Mar. 31, 2013 Common Stock	Dec. 31, 2013 Common Stock	Nov. 30, 2013 Land property	Mar. 14, 2014 Subsequent Event Common Stock	Jan. 31, 2014 Subsequent Event Convertible preferred stock
Class of Stock [Line Items]
Payment of dividends, shares								2,167,398	2,148,934	1,174,604							2,167,398			1,141,142
Payment of dividends				$ 0	$ 0	$ 0		$ (1,443)	$ (1,431)	$ (782)										$ 2,000,000
Payment of dividend																	4,200,000
Gross proceeds from the issuance of common stock		8,750,000	10,000,000	18,750,000	24,349,203	0
Proceeds from the issuance of common stock, net of issuance costs		8,600,000	9,700,000
Shares issued											862.5	862.5			4,146,920	5,000,000
Common stock issued price, per share		$ 2.11	$ 2.00
Payments of issuance costs		200,000	300,000	459,515	658,078	0
Stock issued during period, shares, purchase of assets									170,986									738,888
Stock issued during period, value guaranteed to sellers				1,300,000
Payments to Acquire Land	70,000
Purchase of properties, plant and equipment					444,700				114									1,700,000
Stock issued during period, repayment of long-term debt (in shares)				1,037,141
Stock issued during period, repayment of long-term debt				1,915,000
Options, vested in period				1,199,300				1,199,300	609,500
Conversion of preferred stock to common stock, shares													3,661	4,206					1,009
Common stock shares issued as a result of conversion of Preferred stock													5,623,003	2,548,908					611,514
Number of Real Estate Properties																		2
Amount of offer covered by registration statement							$ 50,000,000