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Capital Notes (Details) - USD ($) |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 05, 2016 | Dec. 03, 2015 | Jun. 30, 2016 | Dec. 31, 2015
Debt Instrument [Line Items] |  |  |  |
Proceeds used to pay off debt |  |  | $ 10,000,000 |
Common Stock Private Placement [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Private placement transaction date |  |  | Dec. 03, 2015 |
Gross proceeds from private placement issuance |  | $ 11,520,000 |  |
Shares issued in private placement sale |  | 1,000,000 |  |
Price per share in private placement sale |  | $ 11.52 |  |
Capital Notes [Member] | 2012 Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Capital notes issued |  |  |  | $ 10,000,000
Debt instrument, interest rate, stated percentage |  |  |  | 6.00%
Proceeds used to pay off debt | $ 10,000,000 |  |  |

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