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Net Earnings (Loss) per Share Applicable to Common Stockholders (Details 1) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Total 374,911 418,453
Convertible preferred Stock [Member]    
Total 688
Warrant [Member]    
Total 285,273 294,072
Options to purchase common stock [Member]    
Total 88,950 124,381