Loss per Share- Schedule of Antidilutive Securities Excluded From Calculation of Diluted Loss Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Series A Redeemable Convertible Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded from the calculation of net loss per diluted share	7,940	7,940	7,940	7,940
Series A Warrants and Series B Warrants
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded from the calculation of net loss per diluted share	4,367	4,367	4,367	4,367
Restricted Stock Awards and Units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded from the calculation of net loss per diluted share	951	809	951	809
Outstanding Stock Options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded from the calculation of net loss per diluted share	1,828	1,867	1,828	1,867

LENSAR, Inc. 10-Q