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Note 5 - Stock-based Compensation; Changes in Equity (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Share-based Payment Arrangement, Activity [Table Text Block]

		Shares under Option				Weighted Average Exercise Price
Balance at December 31, 2019			471,144			$	3.95
Granted			612,660				1.00
Cancelled/Expired			432,519				-
Exercised/Issued			15,000				5.48
Outstanding at March 31, 2020			636,285			$	1.10
Exercisable at March 31, 2020			19,625			$	5.48

X

- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ References

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- References

No definition available.

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