Note 10 - Income Taxes (Details) - Reconciliation of Differences Between Effective Income Tax Rate and Statutory Federal Tax Rate (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Differences Between Effective Income Tax Rate and Statutory Federal Tax Rate [Abstract]
Federal income tax (benefit) at statutory rate	$ (1,271,000)	$ (2,617,300)
Federal income tax (benefit) at statutory rate on discontinued operations		(159,300)
Foreign taxes	4,100	3,500
Compensation from exercise of non-qualified stock options and restricted stock awards	12,900	(215,500)
Change in valuation allowance	1,042,400	1,546,700
Warrant liability	(478,000)	1,441,000
Meals and entertainment (50%)	8,100	9,400
Tax rate changes	710,800
Other items	(21,500)	(5,000)
Provision (benefit) for income tax	$ 7,800	$ 3,500