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Note F - Common Stock and Warrants (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Authorized Shares of Common Stock Reserved for Future Issuance [Table Text Block]

		*September 30, 2022*				*December 31, 2021*
Outstanding awards under equity incentive plans			2,463,509				1,273,879
Outstanding common stock warrants			4,252,600				4,252,600
Possible future issuances under equity incentive plans			4,414,406				4,209,935
Possible future issuances under employee stock purchase plans			1,445,213				1,500,000
Total common shares reserved for future issuance			12,575,728				11,236,414

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

		*Shares of Common Stock*
Balance as of January 1, 2022			35,005,640
Common stock issued as compensation to third-parties			7,649
Common stock repurchased as a result of the Stock Repurchase Plan			(589,792	)
Balance as of March 31, 2022			34,423,497
Common stock issued as compensation to third-parties			11,030
Common stock issued as a result of the Employee Stock Purchase Plan			54,787
Balance as of June 30, 2022			34,489,314
Common stock issued as compensation to third-parties			11,830
Balance as of September 30, 2022			34,501,144