Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Accrued liabilities were comprised of the following:

	March 31, 2020		December 31, 2019
Accrued compensation and related taxes	$	485,900	$	498,000
Accrued interest		770,300		648,600
Accrued settlement/litigation claims		150,000		150,000
Warranty and defect claims		52,700		48,200
Lease liabilities		55,900		86,100
Other		101,800		162,000
Total Accrued Liabilities	$	1,616,600	$	1,592,900