Note 12 - Income Taxes (Details) - Reconciliation of Income Tax Expense (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Income Tax Expense [Abstract]
U.S. federal income tax at statutory rate	$ (3,689,000)	$ (3,505,000)
Nondeductible expenses	54,000	69,000
Exercise and forfeitures of stock based compensation		(383,000)
Change in valuation allowance	3,708,000	2,869,000
State tax benefit, net of federal provision (benefit)	2,000	(428,000)
Foreign subsidiary loss	(22,000)	673,000
Adjustment for business combinations		704,000
Other	$ (53,000)	$ 1,000