Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Warranty Reserve (Details)

v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Warranty Reserve (Details)
6 Months Ended
Jun. 30, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Standard assurance warranty period 1 year
Internationally warranty period 13 months