Convertible Note, Series D Preferred Stock, And Series D-1 Preferred Stock - Notes and Series D Preferred Stock (Details)			6 Months Ended
	Nov. 19, 2014 USD ($)	Nov. 14, 2014 USD ($) d $ / shares shares	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2014 USD ($)	Dec. 31, 2014 $ / shares	Jun. 30, 2013 shares	Jun. 17, 2013 shares
Debt Instrument [Line Items]
Common stock, par value (in dollars per share) | $ / shares				$ 0.0001		$ 0.0001
Changes in restricted cash				$ 6,000,000	$ 0
Restricted cash and cash equivalents				$ 22,000,000
Common Stock [Member]
Debt Instrument [Line Items]
Number of securities called by warrants | shares							262,500	43,750
Series D Preferred Stock [Member]
Debt Instrument [Line Items]
Preferred stock, shares outstanding | shares				0
Convertible Preferred Stock Subject to Mandatory Redemption [Member] | Series D Preferred Stock [Member] | Prepaid Expenses and Other Current Assets [Member]
Debt Instrument [Line Items]
Prepaid amortization				$ 2,647,317
Private Placement [Member]
Debt Instrument [Line Items]
Securities purchase agreement, consideration received, cash	$ 4,500,000
Securities purchase agreement, amount held in restricted control accounts	30,500,000
Securities purchase agreement, consideration received, cash received from restricted control accounts	$ 2,500,000
Securities purchase agreement, covenant term, maximum payout per 90 days		$ 6,000,000
Conversion price | $ / shares		$ 2.25
Conditional redemption period		30 days
Redemption price, percentage		120.00%
Required notice to holder of redemption election		90 days
Debt instrument, convertible, amortization acceleration election maximum threshold ratio		5
Amortization payment, deferred election, amount				1,707,317
Amortization payment, deferred election, amount interest expense added to the principal balance				$ 351,899
Private Placement [Member] | Warrants and Rights Subject to Mandatory Redemption [Member]
Debt Instrument [Line Items]
Number of securities called by warrants | shares		7,777,778
Private Placement [Member] | Convertible Notes And Series D Preferred Stock, Alternate Conversion [Member]
Debt Instrument [Line Items]
Debt instrument, convertible, conversion ratio		0.85
Debt instrument, convertible, threshold lowest trading days | d		3
Debt instrument, convertible, threshold consecutive trading days		10 days
Debt instrument, convertible, numerator for calculation of conversion price		3
Private Placement [Member] | Convertible Notes And Series D Preferred Stock, Installment Conversion [Member]
Debt Instrument [Line Items]
Debt instrument, convertible, conversion ratio		0.85
Debt instrument, convertible, threshold lowest trading days | d		5
Debt instrument, convertible, threshold consecutive trading days		20 days
Debt instrument, convertible, numerator for calculation of conversion price		5
Private Placement [Member] | Convertible Notes And Series D Preferred Stock, Default [Member]
Debt Instrument [Line Items]
Debt instrument, convertible, redemption threshold, percent		125.00%
Private Placement [Member] | Scenario, Forecast [Member]
Debt Instrument [Line Items]
Restricted cash - short term			$ 12,000,000
Private Placement [Member] | Common Stock [Member]
Debt Instrument [Line Items]
Number of securities called by warrants | shares		7,777,778
Common stock, par value (in dollars per share) | $ / shares				$ 0.0001
Conversion of stock, new issuance | shares				2,860,175
Stock issued during period, shares, issued for interest expense | shares				1,242,250
Private Placement [Member] | Series D Preferred Stock [Member]
Debt Instrument [Line Items]
Proceeds from issuance of stock		$ 3,000,000
Issuance of common stock (in shares) | shares		3,000
Stock dividends | shares				11,241
Private Placement [Member] | Convertible Debt [Member]
Debt Instrument [Line Items]
Issuance of common stock (in shares) | shares				4,707,801
Proceeds from issuance of convertible debt		$ 32,000,000
Debt instrument term		42 months
Debt conversion, original debt, amount				$ 1,805,000
Installment payments for Notes				2,849,634
Amortization payment, accelerated election, amount				2,670,375
Stated interest rate		7.00%
Debt instrument, interest rate upon occurrence of events		15.00%
Interest expense				$ 703,367
Private Placement [Member] | Convertible Debt [Member] | Convertible Notes And Series D Preferred Stock, Installment Conversion [Member]
Debt Instrument [Line Items]
Issuance of common stock (in shares) | shares				4,091,448
Private Placement [Member] | Convertible Debt [Member] | Convertible Notes And Series D Preferred Stock, Default [Member]
Debt Instrument [Line Items]
Debt instrument, convertible, conversion ratio		0.85
Debt instrument, convertible, threshold lowest trading days | d		3
Debt instrument, convertible, threshold consecutive trading days		10 days
Debt instrument, convertible, numerator for calculation of conversion price		3
Private Placement [Member] | Convertible Preferred Stock Subject to Mandatory Redemption [Member]
Debt Instrument [Line Items]
Proceeds from issuance of stock		$ 3,000,000
Issuance of common stock (in shares) | shares		3,000
Preferred stock, dividend rate, percentage		7.00%
Percentage on occurrence of events		15.00%
Preferred dividends, cash				$ 3,572
Private Placement [Member] | Convertible Preferred Stock Subject to Mandatory Redemption [Member] | Series D Preferred Stock [Member]
Debt Instrument [Line Items]
Issuance of common stock (in shares) | shares				1,465,972
Debt instrument, convertible, trading days prior to the installment date for amortization payments | d		20
Preferred stock liquidation value, installment payments				$ 565,341