Note 4 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

	December 31,
	2016			2015
Deferred tax assets:
Federal net operating loss carryforward	$	19,819,000		$	15,400,000
Other		1,634,000			1,028,000
Patent amortization		(11,000	)		(13,000	)
Deferred tax assets before valuation		21,442,000			16,415,000
Valuation allowance		(21,442,000	)		(16,415,000	)
Net deferred income tax assets	$	—		$	—