Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Basis of Presentation and Significant Accounting Policies (Details Narrative)

v3.20.2

Basis of Presentation and Significant Accounting Policies (Details Narrative) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Number of operating segment \| Segment			1
Primary operating account balance	$ 19,315		$ 19,315		$ 7,418
Cash uninsured amount	50		50
Goodwill	19,092		19,092		$ 19,092
Impairment in goodwill				$ 46,103
Collaboration revenue	554	$ 592	1,015	$ 5,670
Merck Sharp & Dohme Corp [Member]
Accounts receivable related party	592		$ 592
Merck Sharp & Dohme Corp [Member] \| Customer One [Member] \| Customer Concentration Risk [Member] \| Revenue and Receivables [Member]
Revenue and receivable percentage			100.00%
U.S. Financial Institutions One [Member]
Cash FDIC insured limits	250		$ 250
U.S. Financial Institutions Two [Member]
Cash FDIC insured limits	$ 250		$ 250

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