Convertible Preferred Stock and Derivative Liability (Details Textual) (USD $) | 9 Months Ended | 1 Months Ended | |
Mar. 31, 2015 | Jul. 25, 2014 | Jun. 30, 2014 |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Warrants Expiration, Term | 5 years | | |
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent | 50.00% | | |
Payments for Repurchase of Convertible Preferred Stock | $16,750,000 | | |
Repurchase Of Convertible Preferred Stock Purchase Consideration | 100 | | |
Convertible Promissory Notes [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Repayments of Notes Payable | 300,000 | | |
Debt Instrument, Face Amount | 420,000 | | 500,000 |
Debt Instrument, Convertible, Conversion Price | $1.25 | | |
Convertible Promissory Notes [Member] | Minimum [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Debt Instrument, Convertible, Conversion Price | $0.08 | | |
Convertible Promissory Notes [Member] | Maximum [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Debt Instrument, Convertible, Conversion Price | $0.14 | | |
Common Stock [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Conversion of Stock, Shares Converted | 0 | | |
Series B Convertible Preferred Stock [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Preferred Stock, Dividend Rate, Percentage | 6.00% | | |
Preferred Stock Initial Conversion Price Per Share | $375 | | |
Convertible Preferred Stock, Total Shares Issued Upon Conversion | 0.05 | | |
Preferred Stock Stated Value Per Share | $17.50 | | |
Preferred Stock, Liquidation Preference, Value | 1,325,644 | | 1,325,644 |
Series C Convertible Preferred Stock [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Preferred Stock, Dividend Rate, Percentage | 14.00% | | |
Preferred Stock Initial Conversion Price Per Share | $1.25 | | |
Convertible Preferred Stock, Total Shares Issued Upon Conversion | 800 | | |
Preferred Stock Stated Value Per Share | $1,000 | | |
Conversion of Stock, Shares Converted | 1,026,000 | | |
Conversion of Stock, Shares Issued | 1,283 | | |
Preferred Stock, Liquidation Preference, Value | 10,327,000 | | 20,977,000 |
Convertible Preferred Stock Conversion Price Per Share | $0.01 | | |
Series D Convertible Preferred Stock [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Preferred Stock, Dividend Rate, Percentage | 8.00% | | |
Preferred Stock Initial Conversion Price Per Share | $1.25 | | |
Convertible Preferred Stock, Total Shares Issued Upon Conversion | 800 | | |
Preferred Stock Stated Value Per Share | $1,000 | | |
Conversion of Stock, Shares Converted | 0 | | |
Preferred Stock, Liquidation Preference, Value | 2,533,000 | | 2,533,000 |
Convertible Preferred Stock Conversion Price Per Share | $0.01 | | |
Series E Convertible Preferred Stock [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Preferred Stock, Dividend Rate, Percentage | 8.00% | | |
Preferred Stock Initial Conversion Price Per Share | $2.50 | | |
Convertible Preferred Stock, Total Shares Issued Upon Conversion | 400 | | |
Preferred Stock Stated Value Per Share | $1,000 | | |
Conversion of Stock, Shares Converted | 0 | | |
Preferred Stock, Liquidation Preference, Value | 20,805,000 | | 20,805,000 |
Series F Convertible Preferred Stock and warrants [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Convertible Preferred Stock, Total Shares Issued Upon Conversion | 4,000 | | |
Stock Issued During Period, Shares, New Issues | | 1,200 | |
Stock Issued During Period, Value, New Issues | | 9,600,000 | |
Preferred Stock, Liquidation Preference, Value | 1,000 | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $0.25 | | |
Series F Convertible Preferred Stock and warrants [Member] | Pre Reverse Stock Split [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Stock Issued During Period, Value, New Issues | | 24 | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | | 1,000,000 | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | | $0.00 | |
Series F Convertible Preferred Stock [Member] | | | |
Convertible Preferred Stock And Derivative Liability [Line Items] | | | |
Preferred Stock, Dividend Rate, Percentage | 8.00% | | |
Preferred Stock, Liquidation Preference, Value | $1,200,000 | | $1,200,000 |
Warrants Expiration, Term | 5 years | | |