XML
70
R60.htm
IDEA: XBRL DOCUMENT
v3.20.4
Product Warranties - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Product Warranties Disclosures [Abstract]
Decrease in Warranty expenses
$ 0.5
X
- Definition
Increase(decrease) in accrued warranty expenses.
+ References
No definition available.
+ Details
Name:
eyes_IncreaseDecreaseInAccruedWarrantyExpenses
Namespace Prefix:
eyes_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_ProductWarrantiesDisclosuresAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration