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Business Combination - Additional Information (Detail) - USD ($) |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 17, 2015 | Jan. 31, 2016 | Mar. 31, 2016 | Sep. 30, 2015
Business Acquisition [Line Items] |  |  |  |
Common stock, par value |  |  | $ 0.001 | $ 0.001
Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, escrow fund period | 24 months |  |  |
ID Checker [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date | Jun. 17, 2015 |  |  |
Payments to acquire businesses, gross | $ 5,600,000 |  |  |
Business combination consideration transfer, promissory notes | 300,000 |  |  |
Common stock issued during acquisition, value | $ 2,700,000 |  |  |
Common stock, par value | $ 0.001 |  |  |
Business combination, paid earnout shares issued |  | 137,306 |  |
Cash payment to escrow fund related to business acquisition | $ 1,800,000 |  |  |
Business combination, percentage of closing shares in escrow fund | 20.00% |  |  |
Business combination, deposited earnout shares in escrow fund |  | 27,461 |  |
Goodwill before effect in exchange rates | $ 2,873,000 |  |  |
ID Checker [Member] | Closing Shares [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common stock issued during acquisition, share | 712,790 |  |  |
ID Checker [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, earnout shares | $ 1,000,000 |  |  |

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