Note 8 - Taxation - Deferred Tax Assets (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Capitalized start-up expenses	$ 29,000	$ 44,000
Operating loss carryforwards	136,000	945,000
Unearned commission income	40,000	50,000
Depreciation and amortization	27,000	20,000
Deferred tax assets	$ 232,000	$ 1,059,000