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Related Party Transactions - Interim Notes (Details) |  | 1 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 31, 2015 USD ($) | Apr. 30, 2016 USD ($) item | Feb. 29, 2016 USD ($) item | Dec. 31, 2015 USD ($) item | Sep. 30, 2015 USD ($) item | Mar. 31, 2015 USD ($) | Feb. 18, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  |  |  |  |  |  | $ 2,651,000 | $ 1,650,000
Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ | $ 2,800,000 | $ 5,000,000 | $ 200,000 | $ 2,700,000 | $ 2,800,000 |  |  |  |
Convertible Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  |  |  |  | $ 2,000,000 | $ 2,700,000 |  |
Investors - 2 officers and 3 Board members | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  |  |  | $ 500,000 |  |  |  |
Number of notes issued to related party |  |  |  |  | 5 |  |  |  |
Number of board members who were issued debt |  |  |  |  | 3 |  |  |  |
Number of officers |  |  |  |  | 2 |  |  |  |
Investors - 3 officers and 1 employee | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  |  |  | $ 300,000 |  |  |  |
Number of notes issued to related party |  |  |  |  | 4 |  |  |  |
Number of officers |  |  |  |  | 3 |  |  |  |
Number of employees |  |  |  |  | 1 |  |  |  |
Investors - 2 officers and 4 Board members | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  |  | $ 600,000 |  |  |  |  |
Number of notes issued to related party |  |  |  | 6 |  |  |  |  |
Number of board members who were issued debt |  |  |  | 4 |  |  |  |  |
Number of officers |  |  |  | 2 |  |  |  |  |
Investors related to 3 officers | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  |  | $ 200,000 |  |  |  |  |
Number of notes issued to related party |  |  |  | 5 |  |  |  |  |
Number of officers |  |  |  | 3 |  |  |  |  |
Investor - 2 Board members | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  | $ 81,000 |  |  |  |  |  |
Number of notes issued to related party |  |  | 2 |  |  |  |  |  |
Number of board members who were issued debt |  |  | 2 |  |  |  |  |  |
Investor related to an officer | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  |  | $ 20,000 |  |  |  |  |  |
Investors related to 2 officers | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  | $ 200,000 |  |  |  |  |  |  |
Number of notes issued to related party |  | 2 |  |  |  |  |  |  |
Number of officers |  | 2 |  |  |  |  |  |  |
Investors related to three directors | Debt Issued To Related Parties | Interim Notes |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes | $ |  | $ 2,300,000 |  |  |  |  |  |  |
Number of notes issued to related party |  | 3 |  |  |  |  |  |  |
Number of board members who were issued debt |  | 3 |  |  |  |  |  |  |

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