Cumulative catch-up adjustment under modified retrospective method.

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Decreased issued and outstanding description.

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Non-cash impairment charge.

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Reduction of revenues.

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No definition available.

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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- Definition

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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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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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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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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Nature of Business and Significant Accounting Policies (Details Narrative) $ in Thousands		12 Months Ended
	Jan. 15, 2020	Dec. 31, 2019 USD ($) Segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jan. 02, 2019 USD ($)
Number of reportable segments \| Segment		1
Reduction of revenues		$ 3,500
Non-cash impairment charge					$ 12,000
Amortization expense		3,989	$ 3,589
Asset impairment					11,600
Barrett's and Thyroid Intangible Assets [Member]
Amortization expense		$ 340	$ 340	$ 340	$ 2,000	$ 2,300	$ 700
ASU Topic 606 [Member]
Cumulative catch-up adjustment under modified retrospective method								$ 2,500
Minimum [Member]
Finite-lived intangible asset, useful life		2 years
Maximum [Member]
Finite-lived intangible asset, useful life		9 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, plant and equipment, useful life		7 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, plant and equipment, useful life		10 years
Office and Computer Equipment [Member] \| Minimum [Member]
Property, plant and equipment, useful life		2 years
Office and Computer Equipment [Member] \| Maximum [Member]
Property, plant and equipment, useful life		5 years
Lab Equipment [Member] \| Minimum [Member]
Property, plant and equipment, useful life		3 years
Lab Equipment [Member] \| Maximum [Member]
Property, plant and equipment, useful life		7 years
Leasehold Improvements [Member] \| Minimum [Member]
Property, plant and equipment, useful life		4 years
Leasehold Improvements [Member] \| Maximum [Member]
Property, plant and equipment, useful life		5 years
Software for Internal Use [Member] \| Minimum [Member]
Property, plant and equipment, useful life		3 years
Software for Internal Use [Member] \| Maximum [Member]
Property, plant and equipment, useful life		7 years
Software for External Use [Member]
Property, plant and equipment, useful life		3 years
Subsequent Event [Member]
Decreased issued and outstanding description	The Company effected a one-for-ten reverse split of its issued and outstanding shares of its common stock (the "Reverse Stock Split"). Every 10 shares of common stock issued and outstanding were automatically combined into one share of issued and outstanding common stock, without any change in the par value per share. The Company's issued and outstanding stock decreased from 39,205,895 to 3,920,589 and 28,694,275 to 2,869,427 at December 31, 2019 and 2018, respectively.