v3.25.1
Award Timing Disclosure
 12 Months Ended
Dec. 31, 2024
Apr. 11, 2023
USD ($)
$ / shares
Nov. 29, 2021
USD ($)
$ / shares
Award Timing Disclosures [Line Items]      
Awards Close in Time to MNPI Disclosures, Table

OUTSTANDING EQUITY AWARDS AT FISCAL YEAR-END

   Option Awards
              Equity       
              incentive       
              plan       
              awards:       
              Number of       
      Number of   Number of   securities       
      securities   securities   underlying       
      underlying   underlying   unexercised  Option    
      unexercised   unexercised   unearned  exercise   Option
      options (#)   options (#)   options  price   expiration
Name  Grant Date  exercisable   unexercisable   (#)  ($)   date
Yunfei Li, Former  11/29/2021   40,000          -    80,000   1.96   09/26/2027
Chief Executive Officer  4/11/2023   75,000    -    -   0.978   06/22/2029
                          
Zhiguang Hu,  4/11/2023   15,000    -    15,000   0.978   06/22/2029
Chief Executive Officer                         
                          
Jiewei Li,  11/29/2021   4,000    -    8,000   1.96   09/26/2027
Chief Financial Officer  4/11/2023   10,000    -    10,000   0.978   06/22/2029
                          
Xiangyu Pei, Director and Former Interim  11/29/2021   30,000    -    60,000   1.96   09/26/2027
Chief Financial officer  4/11/2023   50,000    -    50,000   0.978   06/22/2029
    
Yunfei Li [Member]      
Awards Close in Time to MNPI Disclosures      
Name   Yunfei Li Yunfei Li
Underlying Securities   75,000 40,000
Exercise Price | $ / shares   $ 0.978 $ 1.96
Fair Value as of Grant Date | $   $ 80,000
Zhiguang Hu [Member]      
Awards Close in Time to MNPI Disclosures      
Name   Zhiguang Hu  
Underlying Securities   15,000  
Exercise Price | $ / shares   $ 0.978  
Fair Value as of Grant Date | $   $ 15,000  
Jiewei Li [Member]      
Awards Close in Time to MNPI Disclosures      
Name   Jiewei Li Jiewei Li
Underlying Securities   10,000 4,000
Exercise Price | $ / shares   $ 0.978 $ 1.96
Fair Value as of Grant Date | $   $ 10,000 $ 8,000
Xiangyu Pei [Member]      
Awards Close in Time to MNPI Disclosures      
Name   Xiangyu Pei Xiangyu Pei
Underlying Securities   50,000 30,000
Exercise Price | $ / shares   $ 0.978 $ 1.96
Fair Value as of Grant Date | $   $ 50,000 $ 60,000