Accrued liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Liabilities Tables

Accrued liabilities (Tables)

Accrued liabilities consist of the following:

		December 31,
		2012		2011
Bonuses	$	724,000	$	1,214,000
Payroll and payroll taxes		427,000		590,000
Compensated absences		384,000		508,000
Deferred rent credit		187,000		261,000
Warranty		206,000		490,000
Adverse purchase commitments		634,000		134,000
Accelerated rent expense		109,000		402,000
Professional fees		533,000		415,000
Purchased patents		-		330,000
Other		803,000		769,000
	$	4,007,000	$	5,113,000