Note 2 - Stock-Based Compensation and Stock Option Activity (Detail) - Impact On Results of Operations of Recording Stock Based Compensation (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Allocation of Recognized Period Costs	$ 239,440	$ 311,539
Cost of Sales [Member]
Share-based Compensation Allocation of Recognized Period Costs	1,027	4,555
Selling and Marketing Expense [Member]
Share-based Compensation Allocation of Recognized Period Costs	(3,887)	48,455
Technology And Development [Member]
Share-based Compensation Allocation of Recognized Period Costs	54,225	29,838
General and Administrative Expense [Member]
Share-based Compensation Allocation of Recognized Period Costs	$ 188,075	$ 228,691