Note 8 - Common Stock

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Common Stock [Text Block]

8. Common Stock

General

At

December 31, 2018,

the Company has

100,000,000

shares of Common Stock authorized for issuance,

$0.001

par value per share, of which

19,243,651

shares were issued and outstanding.

Reserved for Future Issuance

The Company has the following shares of Common Stock reserved for future issuance:

	December 31,		December 31,
	2018		2017
Conversion of Series A Preferred Stock		22,112,775		22,112,775
Stock-based compensation awards		5,163,957		3,572,457
Employee Stock Purchase Plan		118,120		192,463
Total		27,394,852		25,877,695