Note M - Certain Relationships and Related Party Transactions (Details Textual) - Wipro [Member] - USD ($) $ in Thousands		12 Months Ended
Jan. 30, 2018	Dec. 31, 2020	Dec. 31, 2019
Accounts Payable, Related Parties		$ 0	$ 1,500
Accounts Receivable, Related Parties		0	$ 0
Technology-related Services and Lease Expense [Member]
Related Party Transaction, Expenses from Transactions with Related Party		11,700
Service [Member]
Revenue from Related Parties		$ 0
Securities Purchase Agreement [Member] \| Series A Preferred Stock [Member]
Sale of Stock, Number of Shares Issued in Transaction (in shares)	9,926
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)	1,001,614
Convertible Preferred Stock, Shares Issued upon Conversion as Percent of Common Stock Outstanding	16.00%
Sale of Stock, Consideration Received on Transaction	$ 9,900

Represents shares issued upon conversion as percentage of common stock outstanding for convertible preferred stock.

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Amount for accounts payable to related parties.

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Number of shares issued for each share of convertible preferred stock that is converted.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Cash received on stock transaction after deduction of issuance costs.

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