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Debt Instrument, Covenant Terms, Minimum Unrestricted Cash And Unused Borrowing Capacity

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Debt Instrument, Interest Rate Floor

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Loss Contingency, Petitions Filed, Number

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Area of land held.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Number of entity's patents that another entity was found not to have infringed.

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Amount of lease cost recognized by lessee for lease contract.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount awarded to other party in judgment or settlement of litigation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of loss contingency liability.

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Number of another entity's patents that the entity has allegedly infringed.

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Number of another entity's patents that the entity was found to have infringed.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of lessee's right to use underlying asset under operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Commitments and Contingencies - Additional Information (Details) ft² in Thousands, € in Millions										1 Months Ended	9 Months Ended
	Apr. 28, 2020 patent	Jan. 10, 2020 USD ($) patent	Nov. 06, 2019 USD ($) patent	Jul. 31, 2019 patent	Aug. 17, 2018 patent	Jul. 07, 2018 patent	Jun. 11, 2018 USD ($)	Jun. 11, 2018 EUR (€)	May 03, 2018 USD ($)	Jun. 12, 2020 petition	Jun. 30, 2020 USD ($) ft² patent	Oct. 01, 2019 USD ($)
Loss Contingencies [Line Items]
Weighted average remaining lease term of operating leases											4 years 6 months
Weighted average discount rate of operating leases											4.70%
Right-of-use assets											$ 5,683,000	$ 6,800,000
Operating lease liabilities											7,325,000	$ 8,200,000
Lease liabilities, current portion											1,651,000
Lease liabilities, non-current portion											5,674,000
Operating lease costs											600,000
Operating cash flows for operating leases paid											$ 1,300,000
Minimum
Loss Contingencies [Line Items]
Remaining operating lease term											2 years
Maximum
Loss Contingencies [Line Items]
Remaining operating lease term											8 years
Line of Credit \| Revolving Credit Facility
Loss Contingencies [Line Items]
Maximum borrowing capacity									$ 10,000,000.0
Interest rate floor									4.50%
Minimum unrestricted cash and unused borrowing capacity									$ 15,000,000.0
Adjusted quick ratio requirement									1.75
Borrowings outstanding											$ 0
Line of Credit \| Revolving Credit Facility \| Prime Rate
Loss Contingencies [Line Items]
Basis spread on variable rate									0.25%
Building
Loss Contingencies [Line Items]
Office space subject to the lease \| ft²											29
Pending Litigation \| General and administrative
Loss Contingencies [Line Items]
Legal fees											$ 2,000,000.0
Pending Litigation \| UrbanFT
Loss Contingencies [Line Items]
Estimate of future contingency liability accrual											0
Number of patents allegedly infringed \| patent	2			5
Number of patents infringed \| patent	2
Number of invalid patents \| patent	2
Pending Litigation \| Global Equity & Corporate Consulting, S.L. \| ICAR
Loss Contingencies [Line Items]
Contingency amount claimed							$ 900,000	€ 0.8
Estimate of future contingency liability accrual											0
Pending Litigation \| USAA \| Wells Fargo
Loss Contingencies [Line Items]
Estimate of future contingency liability accrual											$ 0
Number of patents allegedly infringed \| patent		2			5	4					3
Number of patents infringed \| patent		1	1
Amount awarded in damages to other party		$ 102,000,000	$ 200,000,000
Number of patents dropped from litigation \| patent					2
Number of invalid patents \| patent					1
Number of petitions filed \| petition										4