CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 26,663	$ 30,508
Cost of goods sold	17,122	18,243
Gross profit	9,541	12,265
Operating expenses:
Selling expenses	2,649	3,183
General and administrative	4,410	4,597
Research and development	2,716	2,508
Operating Expenses	9,775	10,288
Earnings (loss) from operations	(234)	1,977
Other expense:
Interest expense	(183)	(199)
Interest and other income	6	7
Nonoperating Income (Expense)	(177)	(192)
Earnings (loss) before income taxes	(411)	1,785
Provision (benefit) for income taxes	0	0
Net earnings (loss)	$ (411)	$ 1,785
Basic net earnings (loss) per share (in dollars per share)	$ (0.07)	$ 0.29
Diluted net earnings (loss) per share (in dollars per share)	$ (0.07)	$ 0.28
Basic weighted average shares outstanding (in shares)	6,210	6,192
Diluted weighted average shares outstanding (in shares)	6,210	6,285