Balance Sheet Detail (in thousands) (Tables)

12 Months Ended

Dec. 31, 2012

Balance Sheet Detail (in thousands)

Schedule of inventories

	December 31,
	2012		2011
Finished products	$	5	$	5

Schedule of accrued expenses

	December 31,
	2012		2011
Accrued payroll	$	76	$	59
Accrued vacation	271		222
Accrued warranty expense	3		3
Accrued interest	130		54
Deferred rent	—		43
Other	68		80
	$	548	$	461