ACCRUED LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2019

Accrued liabilities were comprised of the following:

	March 31, 2019		December 31, 2018

Accrued compensation and related taxes	$	533,200	$	565,800
Accrued interest		351,100		362,000
Accrued settlement/litigation claims		150,000		150,000
Warranty and defect claims		40,600		55,000
Lease liabilities		180,500		—
Other		155,200		293,300
Total Accrued Liabilities	$	1,410,600	$	1,426,100