Convertible Note, Series D Preferred Stock, And Series D-1 Preferred Stock - Series D-1 Preferred Stock (Details)		1 Months Ended	6 Months Ended
	Feb. 19, 2015 USD ($) d $ / shares shares	Feb. 28, 2015 shares	Jun. 30, 2015 USD ($) shares
Series D-1 Preferred Stock [Member]
Debt Instrument [Line Items]
Preferred stock, shares outstanding			0
Private Placement [Member] | Convertible Debt [Member]
Debt Instrument [Line Items]
Issuance of common stock (in shares)			4,707,801
Private Placement [Member] | Common Stock [Member] | Series D-1 Preferred Stock And Warrants, Installment Conversion [Member]
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares	$ 2.31
Convertible preferred stock, conversion ratio	0.85
Convertible preferred stock, threshold trading days | d	5
Private Placement [Member] | Series D-1 Preferred Stock [Member]
Debt Instrument [Line Items]
Issuance of common stock (in shares)	2,500	2,500
Proceeds from issuance of stock | $	$ 2,500,000
Shares converted			2,500
Conversion of stock, amount converted | $			$ 2,500,000
Preferred stock, dividend rate, percentage	7.00%
Percentage on occurrence of events	15.00%
Preferred dividends, cash | $			$ 6,944
Stock dividends			3,896
Private Placement [Member] | Series D-1 Preferred Stock [Member] | Convertible Notes And Series D Preferred Stock, Alternate Conversion [Member]
Debt Instrument [Line Items]
Issuance of common stock (in shares)			2,305,824