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Anti-dilutive securities, which are convertible into or exercisable for the Company’s common stock, consist of the following at June 30, 2020: (Details)
6 Months Ended
Jun. 30, 2021
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Anti-dilutive securities 2,706,239
Share-based Payment Arrangement, Option [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Anti-dilutive securities 950
Warrant [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Anti-dilutive securities 2,151,953
Convertible Notes [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Anti-dilutive securities 551,104
Conversion Of Preferred Stock [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Anti-dilutive securities 2,232