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Subsequent Events (Details Textual) (USD $) | 47 Months Ended | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2013 Subsequent Event [Member] Registered Direct Offering [Member] | Dec. 31, 2013 Equity Incentive Plan [Member] | Dec. 31, 2012 Equity Incentive Plan [Member] | Dec. 31, 2013 Equity Incentive Plan [Member] Subsequent Event [Member] | Dec. 31, 2013 Equity Incentive Plan [Member] Subsequent Event [Member] Employee [Member]
Subsequent Event [Line Items] |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Fair Value |  |  |  |  | $ 10.26 | $ 9.90
Stock Granted During Period, Value, Share-Based Compensation, Gross | $ 275,000 |  |  |  | $ 222,000 |
Share Base Compensation Arrangements By Share Based Payments Awards Granted |  |  |  |  |  | 369,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term |  |  |  |  |  | 10 years
Stock Issued During Period, Shares, New Issues |  | 812,500 |  |  |  |
Stock Issued During Period Value per Share |  | $ 8.00 |  |  |  |
Warrants to purchase common stock, Shares |  | 20,313 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  | 206,390 | 0 | 122,880 | 7,000
Payments for Placement Agent Legal Fees |  | 75,000 |  |  |  |
Payments for Issuer Legal Fees |  | 175,000 |  |  |  |
Gross Proceeds From Public Stock Offering Of Common Stock |  | 6,500,000 |  |  |  |
Net Proceeds From Public Stock Offering Of Common Stock |  | 5,700,000 |  |  |  |
Investment Warrants, Exercise Price |  | $ 10.00 |  |  |  |
Investment Warrants Expiration Date |  | Mar. 31, 2019 |  |  |  |
Payments of Stock Issuance Costs |  | 800,000 |  |  |  |
Placement Agent Fees |  | $ 500,000 |  |  |  |

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