Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Series C Convertible Redeemable Preferred Stock) (Details)

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Stockholders' Equity (Series C Convertible Redeemable Preferred Stock) (Details) - Amended Series C Convertible Preferred Stock
Aug. 22, 2016
$ / shares
Class of Stock [Line Items]  
Temporary equity par value (in dollars per share) $ 1,000
Preferred stock, dividend rate, percentage 12.00%
Number of days per year over which the dividend rate is computed 360 days
Number of months per year over which the dividend rate is computed 12 months
Number of days in each month over which the dividend rate is computed 30 days
Early redemption premium (as a percent) 6.00%
Percent excluded from redemption fee 33.00%
Conversion price excluded from redemption fee (in dollars per share) $ 5.00