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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Description of Business and Summary of Significant Accounting Policies [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ 348,000	$ 13,000	$ 503,000	$ (221,000)
Deferred Revenue	3,100,000		3,100,000		$ 1,200,000
Cash and Cash Equivalents, at Carrying Value, Total	20,943,000		20,943,000		17,573,000
Capitalized software development costs
Description of Business and Summary of Significant Accounting Policies [Line Items]
Cost	8,200,000		8,200,000		5,500,000
Capitalized software development cost - work in progress
Description of Business and Summary of Significant Accounting Policies [Line Items]
Cost	$ 400,000		$ 400,000		$ 1,400,000
Minimum \| Capitalized software development costs
Description of Business and Summary of Significant Accounting Policies [Line Items]
Estimated useful lives			three
Maximum \| Capitalized software development costs
Description of Business and Summary of Significant Accounting Policies [Line Items]
Estimated useful lives			P10Y