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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Leasehold improvements and equipment $ 440 $ 418
Net operating losses carryforward 6,396 4,170
Undeducted research and development expenses 2,903 2,774
Non-refundable tax credits carryforward 2,082 1,982
Deferred Tax Assets, Gross 11,821 9,344
Valuation allowance (11,821) (9,344)
Deferred Tax Assets, Net $ 0 $ 0