Value of input used to measure right-of-use assets and leasehold improvement assets.

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Represents the value of total current assets net of current liabilities as of the balance sheet date.

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Area of a real estate property.

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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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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount of impairment for lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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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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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Amount of sublease income excluding finance and operating lease expense.

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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2021 USD ($) ft²	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2017 ft²
Retained Earnings (Accumulated Deficit), Ending Balance				$ (526,849)		$ (500,654)
Working Capital (Deficit)				57,300
Cash and Cash Equivalents, at Carrying Value, Ending Balance				$ 67,511		$ 60,541
Number of Operating Segments				1
Impairment, Long-Lived Asset, Held-for-Use, Total		$ 2,914		$ 0	$ 5,784
Assembled Workforce [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				3 years
The 1020 Marsh Road Facility [Member]
Area of Real Estate Property (Square Foot) \| ft²							34,500
The 1020 Marsh Road Facility [Member] \| EVA Automation, Inc. [Member]
Impairment, Long-Lived Asset, Held-for-Use, Total					$ 5,800
Impairment, Lessor Asset under Operating Lease		2,400	$ 2,400
The 1020 Marsh Road Facility [Member] \| EVA Automation, Inc. [Member] \| Leasehold Improvements [Member]
Impairment, Long-Lived Asset, Held-for-Use, Total		$ 500	$ 500
The 1020 Marsh Road Facility [Member] \| Grail, Inc [Member]
Area of Real Estate Property (Square Foot) \| ft²	34,464
Sublease Income	$ 7,650
Measurement Input, Discount Rate [Member] \| Valuation Technique, Discounted Cash Flow [Member] \| The 1020 Marsh Road Facility [Member] \| EVA Automation, Inc. [Member]
Right of Use and Leasehold Improvement Assets, Measurement Input		0.095	0.095		0.095
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)				3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)				5 years