Annual report pursuant to Section 13 and 15(d)

Product warranty (Tables)

v3.6.0.2
Product warranty (Tables)
12 Months Ended
Dec. 31, 2016
Guarantees [Abstract]  
Schedule of Product Warranty Reserve
Changes in the Company’s warranty reserve were as follows:
Warranty reserve, December 31, 2014
$
147,000

Warranty provision for units sold
87,690

Costs of warranty incurred
(124,690
)
Warranty reserve, December 31, 2015
110,000

Warranty provision for units sold
169,180

Costs of warranty incurred
(131,180
)
Warranty reserve, December 31, 2016
$
148,000