Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

18. Loans and Borrowings (Details - Book value)

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18. Loans and Borrowings (Details - Book value) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Loans and borrowings      
Total non-current $ 18,146,247 $ 21,110,316 $ 21,720,779
Total current 4,438,354 4,206,847 5,087,208
Total loans and borrowings 22,584,601 22,584,601 26,807,987
Revolving Lines Of Credit [Member]      
Loans and borrowings      
Total current 812,913 711,675 680,075
Bank Loans [Member]      
Loans and borrowings      
Total non-current   4,179,528 4,301,125
Total current 1,604,426 1,683,705 1,660,946
Finance Lease Creditor [Member]      
Loans and borrowings      
Total non-current 17,148,421 16,054,972 16,518,357
Total current 1,131,182 921,634 1,856,354
Other Loans [Member]      
Loans and borrowings      
Total non-current 997,826 875,816 901,297
Total current $ 889,833 $ 889,833 $ 889,833