Stock based compensation expense is recognized on a straight-line basis over the requisite service period. Total stock-based compensation is shown in the table below (in thousands):


	Three months ended September 30,				Six months ended September 30,
	2024		2023		2024		2023
Service-based vesting options	$	18	$	41	$	37	$	87
Restricted stock and RSUs	21,630		11,176		34,575		18,330
Total stock compensation expense	$	21,648	$	11,217	$	34,612	$	18,417

As of September 30, 2024, there was $0.1 million and $109.0 million of total unrecognized stock-based compensation cost related to unvested service-based stock options and shares subject to RSAs and RSUs, respectively. The unrecognized stock-based compensation is expected to be recognized over the remaining weighted-average period of 1.0 year for service-based stock options and 1.8 years for shares subject to RSAs and RSUs, respectively.