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v3.19.3.a.u2

Stockholders' Equity (Details) |  |  | 12 Months Ended | 48 Months Ended | 156 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 10, 2019 USD ($) shares | Aug. 16, 2016 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) item shares | Dec. 31, 2005 shares | Dec. 31, 2018 shares
Stockholders' Equity |  |  |  |  |
Shares of common stock sold |  | 7,043,750 |  |  |
Price per share of common stock sold (in dollars per share) | $ / shares |  | $ 12.35 |  |  |
Proceeds from equity offering | $ |  | $ 82,900,000 |  |  |
Common Stock, Shares, Outstanding |  |  | 107,269,201 |  | 107,231,155
General and Administrative Expense [Member] |  |  |  |  |
Equity-Based Compensation |  |  |  |  |
Compensation cost | $ | $ 337,000 |  |  |  |
2002 Stock Incentive Plan |  |  |  |  |
Equity-Based Compensation |  |  |  |  |
Maximum number of shares provided for grant under equity-based incentive compensation plan |  |  | 2,000,000 |  |
Number of vesting requirements | item |  |  | 0 |  |
Number of shares available for grant under the plan, Beginning |  |  | 1,944,428 |  |
Shares Granted in 2019 |  |  | (38,046) | (55,572) | 0
Number of shares available for grant under the plan, Ending |  |  | 1,906,382 |  | 1,944,428
Compensation cost | $ |  |  | $ 337,000 |  |
2002 Stock Incentive Plan | Non Employee Director |  |  |  |  |
Equity-Based Compensation |  |  |  |  |
Shares Granted in 2019 | (38,046) |  |  |  |
Underwriter Overallotment Option |  |  |  |  |
Stockholders' Equity |  |  |  |  |
Shares of common stock sold |  | 918,750 |  |  |

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