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Acquisition - Additional Information (Details) |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 06, 2014 USD ($) shareholder $ / shares shares | Jul. 30, 2014 shares | Dec. 31, 2015 USD ($) $ / shares | Dec. 31, 2014 USD ($) | Dec. 31, 2015 USD ($) $ / shares | Dec. 31, 2014 USD ($) | Jun. 30, 2015 USD ($) $ / shares
Business Acquisition [Line Items] |  |  |  |  |  |  |
Common stock, par value | $ / shares |  |  | $ 0.001 |  | $ 0.001 |  | $ 0.001
Goodwill |  |  | $ 13,186,000 |  | $ 13,186,000 |  | $ 13,186,000
Amortization expense |  |  | 695,000 | $ 695,000 | $ 1,390,000 | $ 1,120,000 |
Exony Limited |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Business acquisition, shares | shares | 1,209,308 |  |  |  |  |  |
Common stock, par value | $ / shares | $ 0.001 |  |  |  |  |  |
Issuance of common stock in connection with business acquisition | $ 8,020,000 |  |  |  |  |  |
Purchase agreement date |  |  |  |  | Aug. 06, 2014 |  |
Aggregate cash consideration | $ 8,130,000 |  |  |  |  |  |
Business Acquisition Escrow Portion | 15.00% |  |  |  |  |  |
Number of Shareholders With Option Rights | shareholder | 2 |  |  |  |  |  |
Other purchase consideration, value of stock issuable to two shareholders | $ 299,000 |  |  |  |  |  |
Other purchase consideration, shares of stock issuable to two shareholders | shares | 45,119 | 45,119 |  |  |  |  |
Other purchase consideration, cash paid to two shareholders | $ 341,000 |  |  |  |  |  |
Acquisition cost | 844,000 |  |  |  |  |  |
Increase (decrease) in goodwill |  |  |  |  |  |  | $ (44,000)
Goodwill | $ 8,306,000 |  |  |  |  |  |
Amortization expense |  |  |  |  | $ 3,901,000 |  |
Business combination, revenues recognized |  |  | 2,900,000 | 2,300,000 | 5,600,000 | 3,800,000 |
Business combination, net income (loss) |  |  | 1,200,000 | $ (1,200,000) | $ 2,400,000 | $ (1,900,000) |
Exony Limited | Lease One |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Term of lease |  |  |  |  | 5 years |  |
Annual lease payment |  |  | 260,000 |  | $ 260,000 |  |
Exony Limited | Lease Two |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Term of lease |  |  |  |  | 2 years |  |
Annual lease payment |  |  | $ 91,000 |  | $ 91,000 |  |

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