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Stockholders' Equity (Detail Textuals) $ / shares in Units, $ in Millions |  |  | 2 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 07, 2016 $ / shares | Aug. 02, 2010 Director | Sep. 06, 2016 $ / shares | May 26, 2016 $ / shares | Mar. 29, 2016 $ / shares | Dec. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2016 USD ($) share Quarter Director $ / shares shares
Stockholders' equity |  |  |  |  |  |  |
Preferred stock, shares issued | shares |  |  |  |  |  | 335,273 | 335,273
Preferred stock, shares outstanding | shares |  |  |  |  |  | 335,273 | 335,273
Preferred stock, par value (in dollars per share) |  |  |  |  |  | $ 0.001 | $ 0.001
Redemption price per share (in dollars per share) |  |  |  |  |  |  | $ 10.00
Convertible Exchangeable ("Preferred Stock") |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  |
Preferred stock, shares issued | shares |  |  |  |  |  |  | 335,273
Preferred stock, shares outstanding | shares |  |  |  |  |  |  | 335,273
Preferred stock, par value (in dollars per share) |  |  |  |  |  |  | $ 10.00
Dividends Payable | $ |  |  |  |  |  | $ 0.7 | $ 0.7
Dividends Payable per share |  |  |  |  |  | $ 1.95 | $ 1.95
Dividend rate (as a percent) |  |  |  |  |  |  | 6.00%
Liquidation preference (in dollars per share) |  |  |  |  |  |  | $ 10.00
Number of shares to be issued for each preferred stock upon conversion | share |  |  |  |  |  |  | 0.00507
Conversion price (in dollars per share) |  |  |  |  |  |  | $ 1,974
Shares reserved for future issuance upon conversion | shares |  |  |  |  |  |  | 1,698
Minimum bid price per share (in dollars per share) |  |  |  |  |  |  | $ 2,961
Percentage of the closing sales price of the entity's common stock that the conversion price must exceed in order for the preferred stock to be convertible |  |  |  |  |  |  | 150.00%
Number of trading days within 30 trading days in which the closing price of the entity's common stock must exceed the conversion price for the preferred stock to be convertible |  |  |  |  |  |  | 20 days
Number of trading days during which the closing price of the entity's common stock must exceed the conversion price for at least 20 days in order for the preferred stock to be convertible |  |  |  |  |  |  | 30 days
Number of trading days prior to notice of automatic conversion |  |  |  |  |  |  | 5 days
Number of quarters in which no preferred stock dividends have been paid | Quarter |  |  |  |  |  |  | 6
Number of Board of Directors to be elected by Preferred Stock holders if entity fails to pay dividends on Preferred Stock | Director |  |  |  |  |  |  | 2
Number of Board of Directors elected by the Preferred Stock holders when the entity failed to pay dividends on Preferred Stock | Director |  | 2 |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  | 6.00%
Debt principal amount per share, basis for exchange (in dollars per share) |  |  |  |  |  |  | $ 10.00
Debt instrument, term |  |  |  |  |  |  | 25 years
Dividend declared, date |  |  | Sep. 06, 2016 | May 26, 2016 | Mar. 29, 2016 | Dec. 31, 2015 |
Declared dividend per share |  |  | $ 0.15 | $ 0.15 | $ 0.15 | $ 0.15 |
Dividend paid, date |  |  | Nov. 01, 2016 | Aug. 01, 2016 | May 02, 2016 |  |
Dividend paid, date |  |  |  |  |  | May 1, August 1 and November 2, 2015, and February 1, 2016 |
Dividend, record date |  |  | Oct. 17, 2016 | Jul. 17, 2017 | Apr. 18, 2016 |  |
Convertible Exchangeable ("Preferred Stock") | Board of Directors |  |  |  |  |  |  |
Stockholders' equity |  |  |  |  |  |  |
Dividend declared, date | Dec. 07, 2016 |  |  |  |  |  |
Declared dividend per share | $ 0.15 |  |  |  |  |  |
Dividend paid, date | Feb. 01, 2017 |  |  |  |  |  |
Dividend, record date | Jan. 18, 2017 |  |  |  |  |  |

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