Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Summary of Product Warranty Reserve

The following is a summary of the Company’s general product warranty reserve for the periods indicated:

	Three Months Ended March 31,
	2019			2018
Beginning balance	$	63,461		$	37,156
Cost of warranty claims		(30,347	)		(2,247	)
Increase in warranty reserve		32,817			752
Ending balance	$	65,931		$	35,661