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Earnings / (Loss) per share (Details Narrative)
12 Months Ended
Dec. 31, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of anti-dilutive shares 271,038
Share-based Payment Arrangement, Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of anti-dilutive shares 104,250