Variable Interest Entity - Additional Information (Details) - USD ($)		3 Months Ended	12 Months Ended
	Apr. 29, 2021	May 31, 2024	Feb. 28, 2019	Feb. 29, 2024
Variable Interest Entity [Line Items]
Notes, loans and financing receivable, net, noncurrent		1.5
Long-term debt, net of debt issuance costs		$ 63,684,000		$ 71,881,000
Distribution agreement liability amount				9,817,000
GalvanEyes [Member]
Variable Interest Entity [Line Items]
Quarterly installment payment due amount receivable under distribution agreement				$ 2,578,000
GalvanEyes [Member] | Put Arrangement [Member]
Variable Interest Entity [Line Items]
Equity interest percentage based on occurrence of certain events	20.00%	20.00%
Arrangement after initial period Term	2 years
EyeLock [Member] | Exclusive Distribution Agreement [Member]
Variable Interest Entity [Line Items]
Distribution agreement term	3 years
EyeLock [Member] | Call Arrangement [Member]
Variable Interest Entity [Line Items]
Equity interest percentage based on occurrence of certain events	20.00%
EyeLock [Member] | GalvanEyes [Member] | Exclusive Distribution Agreement [Member]
Variable Interest Entity [Line Items]
Annual fee receivable under distribution agreement subject to certain closing conditions	$ 10,000,000
Annual fee receivable under distribution agreement term	2 years
EyeLock [Member] | GalvanEyes [Member] | Joint Venture Agreement [Member]
Variable Interest Entity [Line Items]
Debt Instrument, Frequency of Periodic Payment		eight quarterly
Debt instrument, interest rate		8.00%
Notes receivable including accrued interest		$ 2,278,000
Debt instrument first payment		$ 352,000
EyeLock [Member] | GalvanEyes [Member] | Maximum [Member] | Exclusive Distribution Agreement [Member]
Variable Interest Entity [Line Items]
Quarterly fee receivable under distribution agreement subject to certain closing conditions	$ 5,000,000
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Debt instrument, interest rate during period		2.50%	10.00%
Line of credit facility, maximum borrowing capacity		$ 71,200,000
Long-term debt, net of debt issuance costs		$ 70,003,000