CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 17,348	$ 17,658
Cost of sales	11,219	10,952
Gross profit	6,129	6,706
Operating expenses:
Selling, general and administrative	5,453	5,944
Research and development	1,833	1,351
Total operating expenses	7,286	7,295
Operating loss	(1,157)	(589)
Non-operating income (expense):
Change in fair value of stock option liability and derivative instruments	502	309
Interest income	0	1
Interest expense	(9)	(5)
Other	(12)	(8)
Total non-operating income (expense), net	481	297
Net loss before income taxes	(676)	(292)
Provision for income taxes	0	64
Net loss	$ (676)	$ (356)
Loss per share - basic and diluted (in dollars per share)	$ (0.03)	$ (0.02)
Weighted average common shares outstanding - basic and diluted (in shares)	21,666	20,562