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v3.19.3.a.u2

Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) $ / shares in Units, deposit in Billions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) segment patent deposit institution $ / shares | Sep. 30, 2019 USD ($) $ / shares | Dec. 31, 2018 USD ($) | Oct. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Number of financial institutions signed agreements to deploy mobile deposit (more than) | institution | 6,500 |  |  |
Number of check deposits processed (more than) | deposit | 3 |  |  |
Number of patents granted | patent | 58 |  |  |
Number of pending patent applications | patent | 24 |  |  |
Net gain (loss) resulting from foreign exchange translation | $ 1,253,000 |  | $ (824,000) |
Other-than-temporary impairments recognized on investments | 0 |  | 0 |
Write-offs of allowance for doubtful accounts | 0 |  | 0 |
Allowance for doubtful accounts receivable | 300,000 | $ 200,000 |  |
Capitalized software development costs | 0 |  | 0 |
Amortization expense of capitalized software development costs | 0 |  | 0 |
Capitalized software development costs for internal use | 23,000 |  | 49,000 |
Amortization expense from capitalized software development costs for internal use | $ 100,000 |  | 100,000 |
Number of operating segments | segment | 1 |  |  |
Number of reporting units | segment | 1 |  |  |
Goodwill impairment |  | $ 0 |  |
Common stock, par value (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 |  |
Impairment charges related to intangible assets | $ 0 |  | $ 0 |
Trading-day average stock price period | 20 days |  |  |
Accumulated other comprehensive loss | $ 2,806,000 | $ 4,061,000 |  |
Operating lease liabilities | 8,004,000 |  |  |
Operating ROU assets | $ 6,535,000 |  |  |
ASC 842 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating lease liabilities |  |  |  | $ 8,200,000
Operating ROU assets |  |  |  | $ 6,800,000
ICAR | Spanish Government Agencies |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Interest rate on loan agreement | 0.00% |  |  |
Amount outstanding under loan agreement | $ 500,000 | 600,000 |  |
ICAR | Spanish Government Agencies | Other current liabilities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Amount outstanding under loan agreement | 100,000 | 200,000 |  |
ICAR | Spanish Government Agencies | Other non-current liabilities |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Amount outstanding under loan agreement | $ 400,000 | $ 400,000 |  |
Minimum | ICAR | Spanish Government Agencies |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Term of loan agreement | 5 years |  |  |
Maximum | ICAR | Spanish Government Agencies |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Term of loan agreement | 12 years |  |  |

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