Make-Whole Dividend Liability (Details) (USD $)	3 Months Ended		1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2013	Dec. 31, 2014
Class of Stock [Line Items]
Change in fair value of make-whole dividend liability	$ 0	$ 700,000
Make-whole dividend liability	849,560			849,560
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage			8.00%
Preferred stock, redemption, term, required make-whole dividend			4 years
Preferred stock, dividend, make-whole dividend rate to market value			10.00%
Preferred stock, shares outstanding (in shares)	212,390			212,390
Preferred stock, redemption amount	1,700,000
Preferred stock, redemption amount, additional make-whole amount	$ 800,000
Preferred Class A [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)	212,390