Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 5,302	$ 5,460
Cost of sales	4,517	4,301
Gross profit	785	1,159
Operating expenses:
Research and development	46	265
Sales and marketing	1,271	1,935
General and administrative	1,154	1,578
Valuation of equity instruments		56
Total operating expenses	2,471	3,834
Loss from operations	(1,686)	(2,675)
Other income (expense):
Other (expense) income	(28)	49
Interest income	1	1
Interest expense	(151)	(183)
Loss before income taxes	(1,864)	(2,808)
Provision for income taxes	(3)	(5)
Net loss	$ (1,867)	$ (2,813)
Net loss per share - basic and diluted	$ (0.06)	$ (0.12)
Shares used in computing net loss per share - basic and diluted	31,621	24,224