Note 6 - Taxation - Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Earnings before income tax	$ (1,036,719)	$ (13,603,715)
Expected tax	0	0
Foreign taxes at local expected rates	6,857	38,500
Change in deferred tax asset of US subsidiary	(69,000)	950,000
Deferred tax expense from enacted rate reductions	0	0
Change in valuation allowance	624,000	0
Net tax expense	$ 561,857	$ 988,500