General form of registration statement for all companies including face-amount certificate companies

Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) (10-K)

v3.20.2
Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) (10-K) - shares
 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Antidilutive securities excluded from computation of earnings per share 740,899 719,083 715,452 588,586
Stock Options and Purchase Warrants [Member]        
Antidilutive securities excluded from computation of earnings per share 646,938 700,976 654,569 571,055
Senior Convertible Notes [Member]        
Antidilutive securities excluded from computation of earnings per share     60,883 17,531