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Accounts receivable, net (Details Narrative)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Concentration Risk, Customer Concentration of credit risk with respect to accounts receivable is limited due to the Company's large number of customers, who are internationally dispersed and have a variety of end markets in which they sell. Due to these factors, management believes that no additional credit risk beyond amounts provided for collection losses is inherent in the Company's trade receivables.    
Concentration Risk, Percentage 10.00%    
Singapore Marine [Member]      
Concentration Risk, Percentage   14.50% 19.50%
Hyundai Merchant Marine Co. Ltd. [Member]      
Concentration Risk, Percentage     23.40%
Cargill [Member]      
Concentration Risk, Percentage     11.40%