Annual report pursuant to Section 13 and 15(d)

Business and Viability of Operations (Details)

v3.20.4
Business and Viability of Operations (Details) - USD ($)
12 Months Ended
Apr. 09, 2020
Dec. 31, 2020
Dec. 31, 2019
Aug. 13, 2020
Nov. 18, 2019
Dec. 31, 2018
Stockholders' equity   $ 7,316,000 $ 594,000 $ 11,700,000   $ 3,818,000
Stockholders' Equity, Reverse Stock Split 20          
Temporary Equity, Par or Stated Value Per Share   $ 0.0001 $ 0.0001      
Temporary Equity, Dividend Rate, Percentage   8.00% 8.00%      
Cash and cash equivalents   $ 7,415,000 $ 298,000      
Net Cash Provided by (Used in) Operating Activities   (9,859,000) $ (11,032,000)      
Payroll Protection Program Note Agreement            
Loan   $ 847,000        
Series A Preferred Stock            
Temporary Equity, Dividend Rate, Percentage   8.00%        
Minimum            
Stockholders' equity         $ 2,500,000