Note 6 - Related-party Transactions (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

Due to affiliates consists of the following (in thousands):	March 31,		December 31,
	2022		2021
Loans from local investors: (1)
Australia	$	656	$	597
Mexico		623		623
China		1,788		1,784
Resource Plus		266		266
Total due to affiliates	$	3,333	$	3,270