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Summary of significant accounting policies (Details Narrative)
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jan. 02, 2022
USD ($)
Jan. 02, 2022
CNY (¥)
Property, Plant and Equipment [Line Items]        
Cash $ 21,900,000      
Working capital $ 23,000,000.0      
Foreign cuurency transactions RMB 1.00 to USD 0.1486 USD 0.1569    
Allowance for doubtful accounts $ 705,060 $ 296,051    
Inventories, net 25,584 27,692    
Allowance for noncurrent prepayments and deposits 478 518    
Allowances of loans receivable 0 0    
Impairment of long lived assets 0 0    
Impairment loss for unconsolidated entities 237,777    
Performance obligation 384,489 67,535    
Advertising costs 555,142 23,308    
Government subsidies 71,156 12,082    
Other income 159,255 183,681    
Other non-operating income 84,257 42,920    
Operating Lease, Right-of-Use Asset 589,301 $ 900,000 ¥ 5,700,000
Operating Lease, Liability 604,781   $ 900,000 ¥ 5,700,000
Total expenses $ 688,136 $ 535,884    
Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Incremental borrowing rate     5.60% 5.60%
Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Incremental borrowing rate     7.00% 7.00%
Mcloudvr H K [Member]        
Property, Plant and Equipment [Line Items]        
Foreign cuurency transactions RMB 1.00 to USD 0.1450      
Mengyun H K [Member]        
Property, Plant and Equipment [Line Items]        
Foreign cuurency transactions   USD 0.1569