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Note 3 - Stock-Based Compensation and Stock Option Activity (Detail) - Impact On Results of Operations of Recording Stock Based Compensation (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Share-based Compensation Allocation of Recognized Period Costs	$ 73	$ 20
Cost of Sales [Member]
Share-based Compensation Allocation of Recognized Period Costs	2	(1)
Selling and Marketing Expense [Member]
Share-based Compensation Allocation of Recognized Period Costs	10	(35)
Technology And Development [Member]
Share-based Compensation Allocation of Recognized Period Costs	13	12
General and Administrative Expense [Member]
Share-based Compensation Allocation of Recognized Period Costs	$ 48	$ 44

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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