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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Summary Of Preferred Stock Authorized, Issued And Outstanding

															Shares Outstanding as of December 31,
			Shares Authorized						Shares Issued						2022						2021
Series C Preferred Stock, par $0.001			1,091						1,091						9						9

Schedule Of Shares Authorized Under Stock Option Plans, By Exercise Price Range

The following table summarizes total stock options outstanding at December 31, 2022:

						Options Outstanding																		Options Exercisable
Exercise Price						Shares Underlying Options Outstanding						Weighted-Average Remaining Contractual Life (in Years)						Weighted Average Exercise Price						Shares Underlying Options Exercisable						Weighted Average Exercise Price
$1.56-$3.00						830,542						8.3						$	2.17					247,104						$	2.29
$3.01-$6.00						5,461,365						7.1						$	3.50					3,059,330						$	3.67
$6.01-$9.00						3,349,587						5.3						$	7.57					2,861,909						$	7.49
$9.01-$12.00						1,930,825						7.1						$	10.97					1,080,389						$	10.89
$12.01-$15.00						580,947						4.1						$	13.38					529,392						$	13.34
$15.01-$25.62						68,282						7.6						$	21.12					51,568						$	21.11
						12,221,548						6.6						$	6.28					7,829,692						$	6.79

Schedule Of Stock Options, Activity

Stock option activity under the Company’s equity incentive plans during the year ended December 31, 2022 was as follows:

			Number of Shares						Weighted-Average Exercise Price
Balance, December 31, 2021			10,488,993						$	7.93
Granted			4,623,448						3.11
Exercised			(118,694)						2.38
Cancelled			(2,772,199)						7.46
Balance, December 31, 2022			12,221,548						$	6.28

Schedule Of Restricted Stock Unit Activity

Restricted stock unit activity under the Company’s equity incentive plans during the year ended December 31, 2022 was as follows:

			Number of Shares
Balance, December 31, 2021			2,448,868
Granted			2,485,947
Vested			(1,618,235)
Cancelled			(760,323)
Balance, December 31, 2022			2,556,257

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