Debt Instrument, Covenant Terms, Adjusted Quick Ratio

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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, Patents Denied Institution, Number

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Loss Contingency, Patents Instituted, Number

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Loss Contingency, Patents Invalid, Number

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Loss Contingency, Products Accused Of Patents Infringement, 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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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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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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Number of another entity's patents that the entity was found not 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 - Narrative (Details) ft² in Thousands, € in Millions												3 Months Ended		6 Months Ended	13 Months Ended
	Mar. 31, 2021 USD ($) ft² patent	Dec. 04, 2020 patent	Sep. 30, 2020 USD ($) patent	Jan. 10, 2020 USD ($) product patent	Nov. 06, 2019 USD ($) patent day	Jul. 31, 2019 patent	Aug. 17, 2018 patent	Jul. 07, 2018 patent	Jun. 11, 2018 USD ($)	Jun. 11, 2018 EUR (€)	May 03, 2018 USD ($)	Mar. 31, 2021 USD ($) ft²	Feb. 23, 2021 patent	Mar. 31, 2021 USD ($) ft²	Feb. 01, 2021 patent
Leases
Weighted average remaining lease term of operating leases	4 years											4 years		4 years
Weighted average discount rate of operating leases	4.60%											4.60%		4.60%
ROU assets \| $	$ 4,791,000		$ 5,407,000									$ 4,791,000		$ 4,791,000
ROU liabilities \| $	6,391,000		7,100,000									6,391,000		6,391,000
Lease liabilities, current portion \| $	1,755,000		1,819,000									1,755,000		1,755,000
Lease liabilities, non-current portion \| $	$ 4,636,000		$ 5,327,000									4,636,000		4,636,000
Operating lease costs \| $												$ 500,000		1,100,000
Operating cash flows for operating leases paid \| $														$ 1,400,000
Minimum
Leases
Remaining operating lease term	1 year											1 year		1 year
Maximum
Leases
Remaining operating lease term	7 years											7 years		7 years
Line of Credit \| Revolving Credit Facility
Revolving Credit Facility
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											$ 0		$ 0
Line of Credit \| Revolving Credit Facility \| Prime Rate
Revolving Credit Facility
Basis spread on variable rate											0.25%
Building
Leases
Office space subject to the lease \| ft²	29											29		29
Pending Litigation \| General and administrative
Legal Proceedings
Legal fees \| $														$ 500,000
Pending Litigation \| UrbanFT
Legal Proceedings
Number of patents allegedly infringed \| patent						5
Number of patents infringed \| patent						2
Number of invalid patents \| patent						2
Number of patents not infringed \| patent						2
Pending Litigation \| Global Equity & Corporate Consulting, S.L. \| ICAR
Legal Proceedings
Contingency amount claimed									$ 900,000	€ 0.8
Pending Litigation \| USAA \| Wells Fargo
Legal Proceedings
Number of patents allegedly infringed			2	2	3		5	4							4
Number of patents infringed \| patent				1	1
Amount awarded in damages to other party \| $				$ 102,000,000	$ 200,000,000
Number of patents dropped \| patent							2
Number of invalid patents \| patent							1
Number of products accused of patent infringement \| product				0
Number of patents instituted \| patent															3
Number of patents denied institution petition \| patent													4		1
Pending Litigation \| USAA \| PNC Bank
Legal Proceedings
Number of patents allegedly infringed \| patent	2	2	2
Number of patents denied institution petition \| patent	2