Quarterly report pursuant to Section 13 or 15(d)

Debt (Details Narrative)

v3.20.2
Debt (Details Narrative) - USD ($)
1 Months Ended
Oct. 31, 2017
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Insurance Financing [Member]        
Debt instrument interest rate   4.52%    
SVB Credit Facility [Member]        
Secured revolving line of credit percentage 200.00%      
Borrowing credit facility   $ 9,750,000  
Unused portion of credit line fee, percentage 1.00%      
Unused portion of credit line fee percentage, description There is also a fee of one-half of 1% annually for the unused portion of the credit line.      
Percentage of shares in offshore facilities secured for SVB credit line 65.00%      
SVB Credit Facility [Member] | Prime Rate [Member]        
Revolving line of credit, interest rate 1.50%      
SVB Credit Facility [Member] | Prime Rate [Member] | Minimum [Member]        
Revolving line of credit, interest rate 6.50%      
SVB Credit Facility [Member] | Old [Member]        
Revision of borrowing limit from SVB Bank       $ 5,000,000
SVB Credit Facility [Member] | New [Member]        
Revision of borrowing limit from SVB Bank       $ 10,000,000