3. Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Reconciliation of income taxes

	2018			2017
U.S. Federal statutory rates on net loss before income taxes		E(876)			E(1,396)
Effect of foreign statutory rate differences		(43	)		(36	)
Effect of exchange rate changes		(952	)		3,516
Expiration of net operating loss carry forwards		299			580
Permanent differences		(24	)		(12	)
Deferred tax impact from tax rate change		--			9,422
Change in valuation allowance		1,615			(12,069	)
Income tax provision (benefit)		E19			E5

Schedule of Deferred Tax Assets

	2018			2017
Licenses capitalized for United States tax purposes	E	295		E	357
Stock options		160			157
Foreign tax credit carry over		224			214
Net operating loss carry forwards
United States		16,017			14,687
Switzerland		160			299
The Netherlands		907			434
		17,763			16,148
Less valuation allowance for deferred tax asset		(17,763	)		(16,148	)
Net deferred tax asset	E	--		E	--

Summary of Operating Loss Carryforwards

	United States		Switzerland		The Netherlands
2019		334		466		--
2020		493		114		251
2021		1,015		--		629
2022		1,901		--
2023		1,266				43
2024-2037		67,687		30		2,703
Perpetual		3,575		--
	E	76,271	E	611		3,626