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Liquidity (Details Narrative) - USD ($)
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Cash and cash equivalents $ 15,500,000    
Restricted cash 200,000 $ 0.2 $ 200,000
Net cash outflow from operating activities (10,622,000) $ (19,829,000)  
Western Alliance Bank [Member]      
Line of credit, maximum borrowing capacity $ 7,000,000.0