Annual report pursuant to Section 13 and 15(d)

Product warranty (Tables)

v3.24.1
Product warranty (Tables)
12 Months Ended
Dec. 31, 2023
Guarantees [Abstract]  
Schedule of Product Warranty Reserve
Changes in our warranty reserve were as follows:
Warranty reserve, December 31, 2021 $ 164,800 
Warranty provision for units sold 208,730 
Costs of warranty incurred (235,730)
Warranty reserve, December 31, 2022 137,800 
Warranty provision for units sold 286,391 
Costs of warranty incurred (282,191)
Warranty reserve, December 31, 2023 $ 142,000