Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Financial Condition (Details)

v3.20.1
Liquidity and Financial Condition (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
May 07, 2020
May 24, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Cash and cash equivalents     $ 13,956 $ 1,016 $ 7,440 $ 225
Cryptocurrencies     5,300      
Working capital     17,000      
Stockholders' equity     33,231 (8,769) 26,235 $ 4,491
Accumulated deficit     221,515   $ 217,238  
Proceeds from the sale of stock     9,495    
H.C. Wainwright [Member] | Subsequent Event [Member]            
Proceeds from the sale of stock $ 4,300          
Stock issued during period 3,507,072          
Common Stock [Member] | H.C. Wainwright [Member]            
Maximum amount of sales shares   $ 100,000        
Proceeds from the sale of stock     9,500      
Percentage of commission   3.00%        
Commsion paid     $ 300      
Weighted average price     $ 1.58      
Stock issued during period     6,024,059