Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Accrued liabilities were comprised of the following:

	June 30,		December 31,
	2020		2019

Accrued compensation and related taxes	$	496,000	$	498,000
Accrued interest		894,300		648,600
Accrued settlement/litigation claims		150,000		150,000
Warranty and defect claims		57,200		48,200
Other		119,100		162,000
Total Accrued Liabilities	$	1,716,600	$	1,506,800