Note 5 - Acquisition of EGEN, Inc. (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Property and equipment, net	$	35,000
In-process research and development		24,211,000
Other Intangible assets (Covenant not to compete)		1,591,000
Goodwill		1,976,000
Total assets:		27,813,000
Accounts payable and accrued liabilities		(235,000	)
Net assets acquired	$	27,578,000

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Year Ended December 31,
2018	$	227,316
2019		227,316
2020		227,316
2021		113,660
Total	$	795,608