Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Narrative)

v3.20.1
Income Taxes (Details Narrative)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
Operating Loss Carryforwards [Line Items]  
Increase in net valuation allowance $ 8,410
Unrecognized tax benefit 200
Domestic Tax Authority  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry-forwards 94,100
Domestic Tax Authority | Research Tax Credit Carryforward  
Operating Loss Carryforwards [Line Items]  
Net credits carryforward 100
State and Local Jurisdiction  
Operating Loss Carryforwards [Line Items]  
Net operating loss carry-forwards 4,100
State and Local Jurisdiction | Research Tax Credit Carryforward  
Operating Loss Carryforwards [Line Items]  
Net credits carryforward $ 500