Note 4 - Long-lived Assets (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

Asset Descriptions	Useful Lives (years)		December 31, 2019			December 31, 2018
Computer equipment		4	$	41,839		$	41,839
Lab equipment		5		17,019			17,019
Office equipment, furniture and fixtures		5		106,486			106,486
Leasehold improvements	lease term			184,989			175,736
Manufacturing equipment		7		1,559,195			1,345,230
Subtotal				1,909,528			1,686,310
Less: Accumulated depreciation and amortization				(442,882	)		(292,080	)
Total property and equipment, net			$	1,466,646		$	1,394,230