Convertible Debt and Convertible Preferred Stock (Detail Textuals 1) - USD ($)
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12 Months Ended |
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Sep. 14, 2016 |
Dec. 31, 2016 |
Dec. 13, 2016 |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Debt Instrument [Line Items] |
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| Gross proceeds from units issued |
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$ 167,000
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| Convertible preferred stock, stated value (in dollars per share) |
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$ 0.0001
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$ 0.0001
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| Convertible Preferred Stock |
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| Debt Instrument [Line Items] |
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| Preferred stock, dividend rate, percentage |
12.50%
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| Class A common stock |
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| Debt Instrument [Line Items] |
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| Number of common stock issued |
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970
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| Common stock, par value (in dollars per shares) |
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$ 0.0001
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$ 0.0001
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| Number of shares called by warrants |
16,970
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616,667
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9,515
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| Series H Warrant |
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| Debt Instrument [Line Items] |
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| Value of cash received at the closing, net of costs, and upon subsequent exercises of Series H warrants |
$ 3,800,000
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| Series H Warrant | Class A common stock |
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| Debt Instrument [Line Items] |
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| Number of shares called by warrants |
6.0606
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| Underwriting Agreement | Convertible Preferred Stock |
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| Debt Instrument [Line Items] |
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| Number of common stock issued |
2,800
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| Gross proceeds from units issued |
$ 2,800,000
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| Preferred stock, dividend rate, percentage |
12.50%
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| Convertible preferred stock, stated value (in dollars per share) |
$ 1,000
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| Number of shares called by warrants |
2,800
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| Issuance costs |
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$ 600,000
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| Underwriting Agreement | Series H Warrant | Class A common stock |
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| Debt Instrument [Line Items] |
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| Number of shares called by warrants |
16,970
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