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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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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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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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Amount of increase (decrease) in prepaid expenses, and assets classified as other.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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

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

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Note B - Summary of Significant Accounting Policies (Details Textual) - USD ($)		12 Months Ended
	Sep. 03, 2019	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Prepaid Expense and Other Assets, Current		$ 1,552,000	$ 1,912,000
Increase (Decrease) in Prepaid Expense and Other Assets, Total		(544,000)	548,000
Asset Impairment Charges, Total		0	0
Revenue from Contract with Customer, Including Assessed Tax		12,839,000	0
Accounts Receivable, after Allowance for Credit Loss, Current, Total		1,681,000	0
Cost of Goods and Services Sold, Total		10,000,000	0
Capitalized Contract Cost, Gross		2,800,000
Deferred Revenue, Total		0	0
Accounts Receivable, Allowance for Credit Loss, Ending Balance		0	0
Income Tax Examination, Penalties and Interest Accrued, Total		$ 0	0
Open Tax Year		2014 2015 2016 2017 2018 2019
Operating Lease, Liability, Total		$ 2,185,000
Operating Lease, Right-of-Use Asset		1,537,000
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability, Total				$ 2,600,000
Operating Lease, Right-of-Use Asset				$ 2,600,000
Royalty and Direct Contract Acquisition Costs [Member]
Capitalized Contract Cost, Amortization		1,900,000
License [Member]
Revenue from Contract with Customer, Including Assessed Tax		10,000,000
Reimbursement of Out-of-pocket Third-party Research and Development Costs [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,100,000
Accounts Receivable, after Allowance for Credit Loss, Current, Total		200,000
Consulting Services [Member]
Revenue from Contract with Customer, Including Assessed Tax		1,700,000
Accounts Receivable, after Allowance for Credit Loss, Current, Total		$ 1,400,000
GPC Member \| License [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 10,000,000
Revenue Recognition, Milestone Method, Revenue to be Recognized	63,000,000
Revenue Recognition, Milestone Method, Additional Revenue to be Recognized	$ 420,000,000
Minimum [Member]
Property, Plant and Equipment, Useful Life		3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life		10 years
Restatement Adjustment [Member]
Prepaid Expense and Other Assets, Current			(100,000)
Increase (Decrease) in Prepaid Expense and Other Assets, Total			$ (100,000)