The Company’s 2020 and 2010 Equity Incentive Plans are described in the Company’s Annual Report.

As of December 31, 2023, the Company had 4,921,319 authorized shares available for future issuance under all of its stock incentive plans.

The following table shows total share-based compensation expense included in the consolidated statements of operations and comprehensive income for the three and six months ended December 31, 2023 and 2022 (in thousands):


	Three Months Ended December 31,				Six Months Ended December 31,
	2023		2022		2023		2022
Cost of revenues	$	35	$	13	$	69	$	24
Research and development	1,161		813		2,295		1,581
Sales, general and administrative	310		275		642		543
	1,506		1,101		$	3,006	$	2,148

There were no options exercised under the Company’s stock incentive plans during the three months ended December 31, 2023 and 2022.

During the six months ended December 31, 2023 and 2022, the aggregate intrinsic value of options exercised under the Company’s stock incentive plans was $0.0 million and $0.6 million, respectively, as determined as of the date of option exercise.

As of December 31, 2023, the Company had no unrecognized compensation costs related to stock options, and the Company did not grant any employee stock options during the three and six months ended December 31, 2023, and 2022.

The following table summarizes the activity of the RSUs made by the Company:


	Number of Shares	Weighted Average Grant Date Fair Value Per Share
Non-vested RSUs, June 30, 2023	62,948	$	256.78
RSUs granted	17,678	$	174.92
RSUs vested	(8,264)	$	182.19
RSUs canceled	(630)	$	290.47
Non-vested RSUs, December 31, 2023	71,732	$	244.90

The intrinsic value of RSUs vested in the three months ended December 31, 2023 and 2022 was $0.1 million and $0.6 million, respectively.

The intrinsic value of RSUs vested in the six months ended December 31, 2023 and 2022 was $1.4 million and $2.7 million, respectively.

The total intrinsic value of all outstanding RSUs was $10.0 million as of December 31, 2023.

As of December 31, 2023, there were unrecognized compensation costs related to RSUs of $11.4 million which the Company expects to recognize over a weighted average period of 3.0 years.