Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Shareholders' Equity [Abstract]

Schedule Of Stock-Based Compensation Expense

Year ended December 31		2012		2011
Cost of sales	$	93,000	$	135,000
Selling		104,000		190,000
Marketing		18,000		90,000
General and administrative		127,000		306,000
	$	342,000	$	721,000

Schedule Of Weighted Average Assumptions

	2012		2011
Stock Options:
Expected life (years)	4.2		4.5
Expected volatility	71	%	70	%
Dividend yield	0	%	0	%
Risk-free interest rate	0.58	%	1.60	%
	2012		2011
Stock Purchase Plan Options:
Expected life (years)	1.0		1.0
Expected volatility	46	%	30	%
Dividend yield	0	%	0	%
Risk-free interest rate	0.12	%	0.30	%

Summary Of Activity Under Stock Option Plans

	Plan Shares Available for Grant	Plan Options Outstanding		Weighted Average Exercise Price Per Share	Aggregate Intrinsic Value
Balance at December 31, 2010	89,805	2,597,924	$	3.55
Reserved	300,000	—
Granted	(416,450)	416,450		3.85
Exercised	—	(1,634,671)		2.31	$    7,094,000
Cancelled - 2003 Plan	26,666	(26,666)		4.82
Cancelled - 1990 Plan	—	(118,300)		7.84
Balance at December 31, 2011	21	1,234,737		4.87
Reserved	500,000	—
Granted	(737,500)	737,500		1.67
Cancelled - 2003 Plan	337,164	(337,164)		3.77
Cancelled - 1990 Plan	—	(165,400)		9.19
Balance at December 31, 2012	99,685	1,469,673		3.03

Schedule Of The Number Of Options Exercisable

December 31, 2011	562,488
December 31, 2012	572,552

Summary Of Information About Stock Options Outstanding

	Options Outstanding				Options Exercisable
Ranges of Exercise Prices	Number Outstanding	Weighted Average Remaining Contractual Life		Weighted Average Exercise Price Per Share	Number Exercisable	Weighted Average Exercise Price Per Share
$1.61 - $2.80	906,522	8.63	years	$              1.85	230,055	$                2.34
$3.13 - $5.49	512,251	7.07	years	4.56	291,597	4.66
$5.80 - $9.28	19,700	0.31	years	5.84	19,700	5.84
$9.58 - $10.90	31,200	0.15	years	10.37	31,200	10.37
	1,469,673	7.80	years	$              3.03	572,552	$                4.08