Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Information - Schedule of property, plant and equipment, net (Details)

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Selected Balance Sheet Information - Schedule of property, plant and equipment, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Property and equipment, net    
Property, Plant and Equipment, Gross, Total $ 1,254 $ 1,254
Less accumulated depreciation and amortization (945) (887)
Total 309 367
Computers and office equipment [Member]    
Property and equipment, net    
Property, Plant and Equipment, Gross, Total 804 804
Leasehold Improvements [Member]    
Property and equipment, net    
Property, Plant and Equipment, Gross, Total 439 439
Software [Member]    
Property and equipment, net    
Property, Plant and Equipment, Gross, Total $ 11 $ 11