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Subsequent Events (Details) $ / shares in Units, $ in Thousands |  |  |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 10, 2016 $ / shares shares | Aug. 08, 2016 USD ($) $ / shares shares | Aug. 04, 2016 USD ($) person director $ / shares shares | Jun. 30, 2016 USD ($) shares | Aug. 03, 2016 shares | Dec. 31, 2015 shares
Subsequent Events |  |  |  |  |  |
Other offering expenses | $ |  |  |  | $ 149 |  |
Common stock, shares authorized |  |  |  | 17,674,419 |  | 17,674,419
Subsequent Event |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  | 100,000,000 |
Preferred stock, shares authorized |  |  |  |  | 10,000,000 |
Subsequent Event | IPO |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Issuance of stock (in shares) |  |  | 3,000,000 |  |  |
Share Price | $ / shares |  |  | $ 10.00 |  |  |
Net proceeds | $ |  |  | $ 26,000 |  |  |
Underwriting discounts and commissions | $ |  | $ 2,100 | 2,100 |  |  |
Other offering expenses | $ |  | $ 2,200 | $ 2,200 |  |  |
Number of shares sold to 3 officers and 5 board members |  |  | 154,450 |  |  |
Number of officers | person |  |  | 3 |  |  |
Number of board members | director |  |  | 5 |  |  |
Proceeds from issuance of shares to 3 officers and 5 board members | $ |  |  | $ 1,500 |  |  |
Number of shares sold to 1 investor related to 1 of the Company’s directors |  |  | 500,000 |  |  |
Number of investor related to 1 of the Company’s directors | person |  |  | 1 |  |  |
Proceeds from issuance of shares to 1 investor related to 1 of the Company’s directors | $ |  |  | $ 5,000 |  |  |
Number of shares sold to 14 investors who are related to 5 officers of the Company |  |  | 47,000 |  |  |
Number of investor related to 5 officers of Company | person |  |  | 14 |  |  |
Proceeds from issuance of shares to 14 investors who are related to 5 officers of the Company | $ |  |  | $ 500 |  |  |
Subsequent Event | Overallotment |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Issuance of stock (in shares) |  | 27,755 |  |  |  |
Share Price | $ / shares |  | $ 10.00 |  |  |  |
Subsequent Event | Restricted stock awards | Certain employees |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Accelarated vesting | 145,833 |  |  |  |  |
Grant date fair value | $ / shares | $ 4,000 |  |  |  |  |
Subsequent Event | Series A Preferred Stock |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Shares converted | 827,205 |  |  |  |  |
Subsequent Event | Convertible Notes And Interim Notes |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Shares converted | 1,656,807 |  |  |  |  |
Subsequent Event | Employee Stock Option |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Granted | 1,825,200 |  |  |  |  |
Vesting period | 4 years |  |  |  |  |
Exercise price | $ / shares | $ 10 |  |  |  |  |

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